Every part, connector and ground point named on the wiring pages, and where it sits in the car. Type a code from a diagram (A104, X10018, K6300) or a name (fuel pump, ground).
| Code | What | Where |
|---|---|---|
| A2w | Instrument cluster | LH side of dash |
| A4 | Check control module | under LH side of dash |
| A5 | Relay module | behind glove compartment |
| A7 | ABS control unit | RH side of dash behind glove compartment |
| A8 | Cruise control module | RH side of dash behind glove compartment |
| A12 | Airbag diagnostic module | under rear seat |
| A18 | Hifi amplifier | in LH side of luggage compartment |
| A18 | Hifi amplifier | under RH side of rear seat (Convertible) |
| A18 | Hifi amplifier | in rear LH side of glove compartment (Touring) |
| A22z | Electrochromatic rear view mirror | RH side of dash |
| A30 | Central locking module (ZVM) | RH side of dash behind glove compartment |
| A32y | Temperature regulator | behind dash |
| A35 | On-board display | centre of dash centre console |
| A36 | Rear wipe/wash interval control unit | in rear lid |
| A51 | Wipe/wash module | under RH side of dash behind glove compartment |
| A52 | ABS/ASC control unit | behind glove compartment (glove box removed) |
| A56 | Tilt/slide sunroof control unit | under roof centre panel |
| A64 | Wipe-wash module (Low II) | under RH side of dash behind glove compartment |
| A81 | Parking aid control unit | in rear LH side of glove compartment |
| A96 | Convertible soft top module | in bottom of LH C-post behind side panel |
| A104 | ZKE control unit | behind glove compartment (glove box removed) |
| A113 | Electronic seat control | under RH front seat |
| A115 | Automatic climate control unit | rear of centre console |
| A117 | EJECT box telephone | centre console |
| A133 | Electronic gear indicator | under LH side of dash (S50) |
| A135 | Gear indicator, centre console | centre console |
| A136 | Program switch | centre console |
| A139 | Acceleration sensor, lateral | in LH side of luggage compartment LH side under inside of cover for frame side member (S50) |
| A140 | Selector lever potentiometer | below centre console |
| A141 | Gear indicator, instrument cluster | on instrument cluster |
| A194y | Control unit, remote control | in interior rear view mirror |
| A202 | ABS control unit | rear LH side of engine compartment |
| A835 | Transmit/receive module (EWS II) | underside of steering column |
| A836 | Electronic immobiliser control unit (EWS II) | under RH side of dash behind glove compartment |
| A2120 | EGS control unit | rear RH side of engine compartment |
| A6000 | DME control unit | rear RH side of engine compartment |
| A7000 | EGS control unit | rear RH side of engine compartment |
| A8500 | EGS control unit | rear RH side of engine compartment |
| B1 | Front right ABS sensor | on RH front wheel, above brake calliper |
| B2 | Front left ABS sensor | on LH front wheel, above brake calliper |
| B3 | Rear right ABS sensor | on RH rear wheel, above brake calliper |
| B4 | Rear left ABS sensor | on LH rear wheel, above brake calliper |
| B6 | Immersion tube sensor | under LH side of rear seat |
| B8y | Pressure switch | near front RH headlight |
| B9 | Intermediate pressure switch | near front RH headlight |
| B10 | Speedometer reed contact | on differential |
| B11 | Left heat exchanger sensor | centre console |
| B12 | Right heat exchanger sensor | centre console |
| B13 | Outside temperature sensor | rear of engine compartment under RH fresh air trim |
| B14 | Evaporator sensor | on RH side of LH footwell on LH side of IHKA housing |
| B16 | Front left brake pad sensor | on LH front wheel, above brake calliper |
| B17 | Rear right brake pad sensor | behind RH rear wheel |
| B18 | Brake fluid level switch | rear LH side of engine compartment on break fluid reservoir |
| B21 | On-board computer temperature sensor | front LH side of vehicle |
| B23 | Left catalytic converter thermal sensor | under centre of car on catalytic converter |
| B24 | Right catalytic converter thermal sensor | under centre of car on catalytic converter |
| B25y | Immersion tube sensor II | on top of tank |
| B28 | Gradient monitor (DWA) | in front RH side of glove compartment |
| B34 | Rear left converter | under LH rear bumper |
| B35 | Rear centre left converter | under centre of rear bumper left |
| B36 | Rear centre right converter | under centre of rear bumper right |
| B37 | Rear right converter | under RH rear bumper |
| B49 | Acceleration sensor, longitudinal | in LH side of luggage compartment under cover on transverse link (S50) |
| B78 | Driver’s side impact sensor | in seat cushion, driver’s seat |
| B79 | Passenger’s side impact sensor | in seat cushion, passenger’s seat |
| B414 | AUC sensor | top front of engine compartment |
| B2008 | Oil pressure switch | LH side of engine |
| B6200 | Heated oxygen sensor | under centre of car |
| B6203 | Crankshaft sensor | RH side under front of vehicle behind radiator |
| B6204 | Camshaft sensor | LH front of engine |
| B6205 | Intake air temperature sensor | LH side of engine |
| B6207 | Hot-film air mass meter | LH side of engine |
| B6209 | Hall sensor, camshaft | front of engine |
| B6217 | Hot film air mass meter | front top of engine |
| B6230 | Oil level | underside of oil tray |
| B6231 | Oil pressure switch | LH side of engine below intake manifold |
| B6231 | Oil pressure switch | RH front of engine below intake manifold (316i-318i) (318is) |
| B6232 | Remote thermometer sensor | RH front of engine below intake manifold |
| B6233 | Air flow meter | LH side of engine |
| B6236 | Coolant temperature sensor | LH front of engine |
| B6240 | Knock sensor | front top of engine |
| B6241 | Knock sensor 1 (cyl. 1 and 2) | front top of engine |
| B6241z | Knock sensor 1 | front top of engine |
| B6242 | Knock sensor 2 (cyl. 3 and 4) | front top of engine |
| B6254 | Oil level switch, thermal | in engine compartment |
| B6256 | Dual temperature sensor (coolant tempera- ture) | LH front of engine |
| B6277 | VANOS sensor 1 (inlet) | front of engine compartment |
| B6278 | VANOS sensor 2 (exhaust) | front of engine compartment |
| B9508 | Pressure switch | front RH side of engine compartment near front RH headlight |
| B62101 | Oxygen sensor I in front of catalytic con- verter | on catalytic converter |
| B62201 | Oxygen sensor II in front of catalytic con- verter | on catalytic converter |
| C1 | Capacitor | in top of LH C-post |
| C101 | Volute spring | on steering wheel |
| C900 | Lockout relay | in top of RH C-post |
| D100 | Diagnostic connector | rear RH side of engine compartment |
| E7 | Left headlight | front LH side of engine compartment |
| E8 | Right headlight | front RH side of engine compartment |
| E9 | Rear window defogger I | in rear window |
| E10 | Rear defogger/antenna | in rear window |
| E11 | Left high beam | near front LH headlight |
| E12 | Right high beam | near front RH headlight |
| E13 | Left headlight | near front LH headlight |
| E14 | Right headlight | near front RH headlight |
| E15 | Left parking light | front of vehicle |
| E19 | Right parking light | front of vehicle |
| E25 | Front ashtray light | centre console |
| E26 | Left fog light | under front LH bumper |
| E27 | Right fog light | under front RH bumper |
| E28 | Front cigar lighter | centre console |
| E28y | Rear ashtray light | centre console |
| E29 | Front cigar lighter light | centre console |
| E32 | Luggage compartment light | in luggage compartment |
| E34 | Interior/reading lamp, front | under roof centre panel |
| E35 | Driver’s make-up mirror light | in windscreen header |
| E36 | Passenger’s make-up mirror light | in windscreen header |
| E39 | Interior light, left rear | in top of LH C-post |
| E40 | Interior light, right rear | in top of RH C-post |
| E42y | Glovebox light/switch | left of glove compartment |
| E43 | Left licence plate light | underside of rear lid, near number plate |
| E44 | Right licence plate light | underside of rear lid, near number plate |
| E45y | Cassette box light | centre of dash |
| E46 | Left rear lid light | in rear LH side of glove compartment |
| E47 | Right rear lid light | in rear RH side of luggage compartment |
| E48 | Door lock heating | LH front door |
| E51 | Left windscreen washer jet heater | underside of front lid |
| E52 | Right windscreen washer jet heater | underside of front lid |
| E56 | Driver’s backrest heating | in LH backrest |
| E57 | Driver’s seat heating | LH front seat |
| E58 | Passenger’s seat heating | bottom of RH front seat |
| E59 | Passenger’s backrest heating | in top of RH backrest |
| E61 | Front left footwell light | LH footwell |
| E62 | Front right footwell light | right footwell |
| E82 | Gear indicator light | centre console |
| E96 | Shift lever light | centre console |
| E99 | Hardtop mount, left | in convertible soft top compartment |
| E100y | Hardtop mount, right | in convertible soft top compartment |
| E101 | Luggage compartment light, left | in rear LH side of glove compartment (Convertible) |
| E102 | Luggage compartment light, right | in rear RH side of luggage compartment (Convertible) |
| E104 | Throttle heating | LH side of engine compartment |
| E416 | Left rear reading light | in top of LH C-post |
| E417 | Right rear reading light | in top of RH C-post |
| F97 | Fuse link | Battery |
| G1 | Battery | front RH side of engine compartment |
| G1 | Battery | in rear RH side of luggage compartment |
| G5 | Driver’s airbag gas generator | behind steering wheel |
| G6 | Passenger’s airbag gas generator | RH side of dash |
| G12 | Pyrotechnical belt tensioner, driver’s side | driver’s seat, right |
| G13 | Pyrotechnical belt tensioner, passenger’s side | passenger’s seat, left |
| G14 | Gas generator, left side airbag | in driver’s door |
| G15 | Gas generator, right side airbag | in passenger’s door |
| G2023 | Alternator | LH bottom of engine compartment |
| G6430 | B+ external start terminal point | rear RH side of engine compartment behind RH spring strut dome |
| G6509 | Alternator | front LH side of engine compartment |
| H1 | Antitheft horn (DWA) | front of engine compartment |
| H2 | Left horn | front of engine compartment |
| H3 | Right horn | front of engine compartment |
| H4 | Front right flasher unit | front of vehicle |
| H5 | Rear right flasher unit | RH side of body rear end |
| H6 | Rear left flasher unit | LH side of body rear end |
| H7 | Front left flasher unit | front of vehicle |
| H8 | Front right auxiliary flasher unit | front of vehicle |
| H9 | Front left auxiliary flasher unit | front of vehicle |
| H10 | Gong I | under LH side of dash |
| H24 | Left brake light | LH side of body rear end |
| H25 | Tail light, left | LH side of body rear end |
| H26 | Left rear fog light | Left rear lid light |
| H27 | Left reversing light | Left rear lid light |
| H28 | Right reversing light | Right rear lid light |
| H30 | Tail light, right | Right rear lid light |
| H31 | Right brake light | Right rear lid light |
| H34 | Raised brake light | rear parcel shelf |
| H34z | High-mounted brake lamp/rear spoiler | in rear spoiler |
| H37 | Left tail light | LH side of body rear end |
| H39 | Right tail light | Right rear lid light |
| H40 | Parking aid speaker | rear parcel shelf right |
| H41 | Left speaker | in bottom of LH A-post |
| H42 | Left mid-range/high range speaker | in top of LH front door |
| H43 | Right mid-range/high range speaker | in top of RH front door |
| H45 | Rear right speaker | under rear window shelf |
| H46 | Rear left speaker | under rear window shelf |
| H50 | Right front high range speaker | in top of RH front door |
| H51 | Right front low range speaker | in bottom of RH A-post |
| H52 | Right rear low range speaker | under rear window shelf |
| H53 | Right rear high range speaker | under rear window shelf |
| H54 | Right front mid-range speaker | in top of RH front door |
| H55 | Left front mid-range speaker | in top of LH front door |
| H56 | Left rear high range speaker | under rear window shelf |
| H57 | Left rear low range speaker | under rear window shelf |
| H58 | Left front low range speaker | in bottom of LH A-post |
| H59 | Left front high range speaker | in top of LH front door |
| H66 | Subwoofer | behind trim |
| I1008 | Seat mat | in seat cushion, passenger’s seat |
| K2 | Horn relay | rear LH side of engine compartment in power distribution box |
| K4 | Heating blower relay | rear LH side of engine compartment in power distribution box |
| K9 | Unloader relay terminal 15 | under LH side of dash |
| K10 | ABS overvoltage protection relay | rear LH side of engine compartment in power distribution box |
| K13 | Rear defogger relay | rear LH side of engine compartment in power distribution box |
| K16 | Hazard flasher relay | rear LH side of engine compartment in power distribution box |
| K19 | A/C compressor relay | rear LH side of engine compartment in power distribution box |
| K20 | Thermal switch (LA Japan) | RH side of dash behind glove compartment |
| K21 | Auxiliary fan stage 1 relay | rear LH side of engine compartment in power distribution box |
| K22 | Auxiliary fan stage 2 relay | rear LH side of engine compartment in power distribution box |
| K25 | Right parking light/licence plate light relay | RH side of dash behind glove compartment |
| K26 | Left parking light relay | RH side of dash behind glove compartment |
| K31 | Cigar lighter relay | under RH side of dash |
| K46 | High beam relay | rear LH side of engine compartment in power distribution box |
| K47 | Fog light relay | rear LH side of engine compartment in power distribution box |
| K48 | Headlight relay | rear LH side of engine compartment in power distribution box |
| K54 | Door lock heating relay | RH side of dash behind glove compartment |
| K75 | ABS pump motor relay | rear LH side of engine compartment in power distribution box |
| K99 | Rear window blower relay | behind glove compartment (Convertible) |
| K113 | Hinged window relay | under LH side of dash |
| K114 | Comfort relay | footwell, driver’s side |
| K117 | Rear lid lock relay | behind glove compartment |
| K125 | ABS pump motor relay, timed | rear LH side of engine compartment in power distribution box |
| K127y | Reading lights relay | under LH side of dash |
| K128 | Spatial Sound relay | footwell, driver’s side, behind trim |
| K450 | Independent ventilation relay | footwell, driver’s side under LH side of dash |
| K2002 | Feed pump relay | rear LH side of engine compartment in power distribution box |
| K2081 | Delivery pump relay | rear LH side of engine compartment in power distribution box |
| K2200 | Alternator cut-out relay | rear LH side of engine compartment in power distribution box |
| K5360 | Hydraulic pump relay | in auxiliary relay box front RH side of engine compartment near spring strut dome |
| K6300 | DME relay | rear LH side of engine compartment in power distribution box |
| K6301 | Electrical fuel pump relay | rear LH side of engine compartment in power distribution box |
| K6303 | Oxygen sensor relay | rear LH side of engine compartment in power distribution box |
| K6307 | EKP and start detector relay | rear LH side of engine compartment in power distribution box |
| K6309 | Oxygen sensor and air pump relays | rear LH side of engine compartment in power distribution box |
| K6326 | Unloader relay, terminal 15 | rear RH side of engine compartment in electronics box |
| M2 | Fuel pump (EKP I) | under RH side of rear seat |
| M3 | Wiper motor | rear of engine compartment below centre of fresh air cowl |
| M4 | Washer pump | front RH side of engine compartment on washer fluid reservoir |
| M7 | Headlight washer pump | front RH side of engine compartment on washer fluid reservoir |
| M9 | Auxiliary fan motor | vehicle front, behind grille behind trim |
| M12 | Central locking (ZV) drive driver’s door | in bottom of LH front door behind trim |
| M13 | Central locking (ZV) drive passenger’s door | in bottom of RH front door behind trim |
| M14 | Central locking drive rear right | in bottom of RH rear door behind trim |
| M15 | Central locking drive rear left | in bottom of LH rear door behind trim |
| M16 | ZV drive tank flap | in rear RH side of luggage compartment |
| M17 | Central locking drive rear lid | in rear of luggage compartment |
| M20 | Power window motor, rear left | in bottom of LH rear door behind trim |
| M21 | Driver’s window motor | LH front door behind door trim panel |
| M22 | Power window motor, rear right | in bottom of RH rear door behind door trim panel |
| M23 | Passenger’s window motor | RH front door behind door trim panel |
| M25 | Cruise control actuator (Tempomat) | front LH side of engine compartment |
| M30 | Blower motor | rear of engine compartment under RH fresh air trim |
| M35 | Defroster flap motor | on RH side of IHKA housing |
| M36 | Fresh air flap motor | under LH side of dash right of steering column |
| M40 | Circulation air flap motor | under LH side of dash right of steering column |
| M43 | Convertible soft top flap lock | in convertible soft top compartment |
| M44 | Ventilation flap regulating motor | on RH side of IHKA housing |
| M46 | Foot and rear flap regulating motor | on RH side of IHKA housing |
| M50 | Driver’s seat cushion tilt motor | under LH front seat |
| M51 | Driver’s seat movement motor | under LH front seat |
| M52 | Driver’s seat height adjustment motor | under LH front seat |
| M53 | Driver’s backrest recliner motor | under LH front seat |
| M55z | Driver’s lumbar support/compressor valve | under LH front seat |
| M58 | Passenger’s backrest recliner motor | under RH front seat |
| M59 | Passenger’s seat height adjustment motor | under RH front seat |
| M60 | Passenger’s seat movement motor | under RH front seat |
| M61 | Passenger’s seat cushion tilt motor | under RH front seat |
| M80 | Left headlight beam angle adjust actuator | front LH side of engine compartment |
| M81 | Right headlight beam angle adjust actuator | front RH side of engine compartment |
| M93 | ADS actuator | front of engine compartment |
| M98 | Rear left power window motor | left of LH rear seat behind trim |
| M99 | Rear right power window motor | right of RH rear seat behind trim |
| M100 | Convertible soft top flap drive | in rear LH side of glove compartment |
| M101 | Convertible soft top drive | in front LH side of luggage compartment |
| M103 | Left vent window motor | in bottom of LH C-post |
| M104 | Right vent window motor | in bottom of RH C-post |
| M105 | Rear window blower motor | behind rear seat bench |
| M107 | Central locking drive (ZV) glovebox | RH side of dash behind glove compartment |
| M132 | Motor, windscreen cowl panel lock | front cover |
| M2025 | Starter | rear LH side of engine compartment |
| M6510 | Starter | rear LH side of engine compartment |
| N2 | Output stage | below centre console |
| N3 | Dimmer | LH side of dash |
| N4 | On-board computer | centre console |
| N5 | Analogue clock | centre console |
| N8 | AM/FM antenna amplifier | in top of LH C-post |
| N8 | AM/FM antenna amplifier | below RH luggage compartment trim panel (Convertible) |
| N9 | Radio | centre console |
| N10 | Multi-function clock | centre console |
| N17 | Crash alarm sensor | footwell, driver’s side |
| N20 | Radio receiver | in front RH side of glove compartment |
| N22 | CD changer | in front LH side of luggage compartment |
| N24 | Rollover sensor | behind rear seat bench (Convertible) |
| P90 | Front power distribution box | rear LH side of engine compartment |
| P95 | Auxiliary fuse box | LH side of engine compartment |
| P96 | Auxiliary fuse box in luggage compartment | in RH side of luggage compartment, behind trim |
| P97 | Auxiliary fuse box | under LH side of dash |
| R10 | Pedal value sensor | footwell, driver’s side |
| R11 | Blower ballast resistor | behind centre of dash |
| R13 | Headlight beam angle adjust potentiometer | LH side of dash |
| R21 | Rear left door DWA conductor loop | in bottom of LH rear door behind trim |
| R22 | Rear right door DWA conductor loop | in bottom of RH rear door behind trim |
| R27 | Conductor loop hinged window right | in bottom of LH C-post |
| R28 | Conductor loop hinged window left | in bottom of RH C-post |
| R31 | ADS potentiometer | LH side of engine |
| R6252 | Throttle potentiometer | LH side of engine |
| R6252 | Throttle potentiometer | LH side of engine (316i-318i) (318is) |
| R6253 | ASC throttle potentiometer | near throttle valve housing |
| S2 | Ignition switch | right of steering column |
| S3 | Gear selector lever switch | centre console |
| S4 | Horn switch | on steering wheel |
| S5 | Windscreen wiper switch | right of steering column |
| S6 | ASC switch | centre console |
| S7 | Turn indicator/low beam selector | left of steering column |
| S8 | Light switch | LH side of dash |
| S10 | Fog light switch | LH side of dash |
| S13 | Passenger’s door contact switch | rear right door post |
| S14 | Driver’s door contact switch | LH rear door jamb |
| S15 | Rear RH door contact switch | in bottom of RH C-post |
| S16 | Rear LH door contact switch | in bottom of LH C-post |
| S17 | Driver’s power mirror switch | in top of LH front door |
| S18 | Hazard warning switch | centre console |
| S20 | Antitheft (DWA) radio microswitch | behind radio |
| S21 | Front lid microswitch | rear RH side of engine compartment behind RH spring strut dome |
| S28 | Cruise control switch | right of steering column |
| S29 | Brake light switch | LH footwell on brake pedal support bracket behind LH footwell trim |
| S30 | Brake light switch | LH footwell on brake pedal support bracket behind LH footwell trim |
| S31 | Handbrake switch | centre console on rear of handbrake lever |
| S32 | Clutch switch | LH footwell on clutch pedal support bracket behind LH footwell trim |
| S36y | Dual temperature switch 80 C/88 C | front RH side of engine compartment near front RH headlight |
| S38 | Tilt/slide sunroof switch (SHD) | roof |
| S40y | Central power window switch | centre console |
| S41y | Window lifter door rear LH (door) | in bottom of LH rear door |
| S42y | Window lifter door rear RH (door) | in bottom of RH rear door |
| S47 | Driver’s door lock switch | LH front door next to door lock |
| S48 | Driver’s door handle switch | LH front door next to door lock |
| S49 | Passenger’s door lock switch | RH front door next to door lock |
| S51 | Driver’s seat adjustment switch | LH front seat |
| S52 | Driver’s lumbar support switch | LH front seat |
| S53 | Driver’s seat heating switch | centre console near gear lever |
| S54 | Passenger’s seat heating switch | centre console near gear lever |
| S56 | Passenger’s seat adjustment switch | under RH front seat |
| S58 | Driver’s seat belt buckle switch | in LH front seat belt buckle |
| S61 | Rear lid light switch | on rear lid |
| S61y | Luggage compartment light switch | underside of rear lid left |
| S63 | Coolant level switch | front RH side of engine compartment |
| S64 | Wash water level switch | front RH side of engine compartment on washer fluid reservoir |
| S75 | Blower switch | centre of dash |
| S77 | Driver’s make-up mirror switch | above LH sun visor |
| S78 | Passenger’s make-up mirror switch | above RH sun visor |
| S82 | Fog light switch | LH side of dash |
| S99 | Passenger’s window monitoring switch (DWA) | RH front door behind trim |
| S100 | Driver’s window monitoring switch (DWA) | LH front door behind trim |
| S101 | Rear right window monitoring switch (DWA) | in bottom of RH rear door behind trim |
| S102 | Rear left window monitoring switch (DWA) | in bottom of LH rear door behind trim |
| S124 | Rear right door contact | rear right door post |
| S125 | Contact rear left door | LH rear door jamb |
| S126y | Driver’s door power window switch | centre console near gear lever |
| S127y | Passenger’s door power window switch | centre console near gear lever |
| S128y | Window lifter door rear LH (centre console) | centre console |
| S128z | Rear left power window switch | centre console |
| S129y | Window lifter door rear RH (centre console) | centre console Rear right power window centre console |
| S130 | Child safety lock (centre console) | centre console |
| S137y | Front lid switch, right | RH side of engine compartment |
| S138y | Front lid switch, left | LH side of engine compartment |
| S143 | Switch for electrically operated convertible soft top | centre console |
| S164 | Convertible soft top deadpoint microswitch | on convertible soft top linkage |
| S165 | Convertible soft top microswitch | on convertible soft top linkage |
| S182 | Hinged window switch LH | under centre console |
| S183 | Hinged window switch RH | under centre console |
| S196 | Rear window blower microswitch | in convertible soft top compartment left (Convertible) |
| S198 | Thermal switch, heated jets | front LH side of engine compartment |
| S213 | Rear lid microswitch | in rear LH side of glove compartment |
| S214 | Convertible soft top flap microswitch | on convertible soft top linkage |
| S231 | Windscreen cowl panel lock microswitch | front cover |
| S302y | Central locking switch | centre console |
| S303y | Top Hifi switch | centre console |
| S8503 | Program switch | centre console |
| S8507 | Kick-down switch | LH footwell |
| S8511 | Reversing light switch | on transmission left |
| T6151 | Ignition coil 1 | RH top of engine |
| T6151 | Ignition coil 1 | RH side of engine compartment (316i-318i) (318is) |
| T6152 | Ignition coil 2 | RH top of engine |
| T6152 | Ignition coil 2 | RH side of engine compartment (316i-318i) (318is) |
| T6153 | Ignition coil 3 | RH top of engine |
| T6153 | Ignition coil 3 | RH side of engine compartment (316i-318i) (318is) |
| T6154 | Ignition coil 4 | RH top of engine |
| T6154 | Ignition coil 4 | RH side of engine compartment (316i-318i) (318is) |
| T6155 | Ignition coil 5 | RH top of engine |
| T6156 | Ignition coil 6 | RH top of engine |
| V5 | Antitheft (DWA) LED | centre console near gear lever |
| V6 | Decoupling diode | rear LH side of engine compartment, in power distribution box |
| V7 | ASC diode | top LH side of engine compartment in front power distributor |
| V9 | Decoupling diode lighting | top LH side of engine compartment in front power distributor |
| V9501 | Decoupling diode | front of engine compartment |
| X0 | B+ terminal point | rear LH side of engine compartment |
| X2 | B+ terminal point | rear LH side of engine compartment |
| X9 | B+ terminal point | rear LH side of engine compartment |
| X13 | (30 pins, black) | LH side of LH footwell |
| X14 | (30 pins, natural) | LH side of LH footwell |
| X16 | (26 pins, white) | LH side of dash, rear of instrument cluster, A2w |
| X17 | (26 pins, blue) | LH side of dash, rear of instrument cluster, A2w |
| X20 | (25 pins, black) | rear LH side of engine compartment |
| X22 | (26 pins, grey) | RH side of dash behind glove compartment |
| X31 | (12 pins, black) | rear LH side of engine compartment behind LH spring strut dome |
| X32 | (12 pins, white) | LH footwell underside of steering column |
| X33 | (12 pins, black) | LH footwell underside of steering column behind LH footwell trim |
| X35 | (12 pins, natural) | under LH side of dash, on steering column |
| X43 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X44 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X45 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X51 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X52 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X53 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X54 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X56 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X58 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X63 | (9 pins, black) | under LH side of dash |
| X64 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X65 | (9 pins, black) | under LH side of dash |
| X66 | (9 pins, black) | under RH side of dash |
| X69 | (25 pins, grey) | rear LH side of engine compartment |
| X70 | (7 pins, black) | front LH side of engine compartment |
| X72 | (8 pins, natural) | LH footwell underside of steering column behind LH footwell trim |
| X72 | (6 pins, natural) | LH footwell underside of steering column behind LH footwell trim |
| X73 | (8 pins, grey) | LH side of dash |
| X74 | (50 pins, black) | under rear seat |
| X78 | (4 pins, black) | LH footwell on brake pedal support bracket behind LH footwell trim |
| X82 | (3 pins, black) | front of engine compartment on auxiliary fan |
| X85 | (3 pins, black) | rear LH side of engine compartment |
| X87 | (3 pins, black) | RH top of radiator |
| X105 | (2 pins, grey) | underside of front lid |
| X106 | (2 pins, grey) | underside of front lid |
| X107 | (2 pins, grey) | front RH side of engine compartment on washer fluid reservoir |
| X109 | (2 pins, black) | front RH side of engine compartment on washer fluid reservoir |
| X111 | (2 pins, black) | rear LH side of engine compartment on break fluid reservoir |
| X112 | (2 pins, black) | front RH side of engine compartment |
| X113 | (2 pins, grey) | above RH front wheel well behind RH front wheel |
| X114 | (2 pins, grey) | above LH front wheel well behind LH front wheel |
| X116 | (2 pins, black) | LH footwell on brake pedal support bracket behind LH footwell trim |
| X118 | (2 pins, black) | above LH front wheel well behind LH front wheel |
| X121 | (2 pins, white) | LH footwell underside of steering column on clutch pedal support bracket |
| X123 | (2 pins, grey) | front RH side of engine compartment on washer fluid reservoir |
| X128 | (2 pins, black) | front RH side of engine compartment |
| X130 | (4 pins, black) | front LH side of engine compartment |
| X132 | (2 pins, black) | front of engine compartment |
| X133 | (2 pins, black) | front of engine compartment |
| X135 | (4 pins, black) | front RH side of engine compartment |
| X137 | (2 pins, black) | front LH side of engine compartment |
| X142 | (3 pins, grey) | under rear of vehicle to left near on differential |
| X143 | (3 pins, grey) | under rear of vehicle to left near on differential |
| X163 | (3 pins, black) | front RH side of engine compartment on washer fluid reservoir |
| X165 | Ground | front LH side of engine compartment |
| X168 | (1 pin, black) | left of steering column |
| X173 | Ground | under LH side of dash |
| X256 | (26 pins, black) | ahead of RH front door in bottom of RH A-post |
| X257 | (26 pins, black) | ahead of LH front door in bottom of LH A-post |
| X271 | (12 pins, black) | LH side of dash, rear of instrument cluster, A2w |
| X272 | (2 pins, black) | under roof centre panel |
| X273 | (12 pins, black) | in bottom of LH B-post |
| X274 | (12 pins, black) | in bottom of RH B-post |
| X275 | (4 pins, white) | under LH front seat |
| X279 | (4 pins, white) | under RH front seat |
| X285 | (15 pins, blue) | under RH side of dash behind glove compartment |
| X286 | (9 pins, black) | RH side of dash behind glove compartment |
| X290 | (9 pins, black) | RH side of dash behind glove compartment |
| X292 | (9 pins, black) | power distribution box rear LH side of engine compartment |
| X295 | (8 pins, black) | LH footwell underside of steering column behind LH footwell trim |
| X300 | (26 pins, black) | in rear of luggage compartment |
| X311 | (3 pins, black) | underside of rear lid left |
| X311 | (3 pins, black) | underside of rear lid (Touring) |
| X312 | (2 pins, black) | in rear RH side of luggage compartment behind RH rear light assembly |
| X315 | (2 pins, black) | underside of rear lid left |
| X316 | (6 pins, green) | centre console near gear lever |
| X317 | (6 pins, white) | centre console near gear lever |
| X318 | (8 pins, black) | in rear RH side of luggage compartment behind RH rear light assembly |
| X319 | (8 pins, black) | in rear LH side of glove compartment behind LH rear light assembly |
| X320 | (6 pins, white) | centre console near gear lever |
| X322 | (6 pins, black) | LH footwell |
| X324 | (6 pins, green) | centre console near gear lever |
| X333 | (4 pins, black) | rear of engine compartment below centre of fresh air cowl |
| X336 | (6 pins, black) | above LH sun visor |
| X351 | (2 pins, black) | in top of RH B-post |
| X352 | (3 pins, black) | in top of LH B-post |
| X353 | (1 pin, natural) | in bottom of RH C-post |
| X354 | (1 pin, natural) | in bottom of LH C-post |
| X355 | (2 pins, black) | in top of RH C-post |
| X356 | (2 pins, black) | in top of LH C-post |
| X363 | (1 pin, black) | under LH side of dash |
| X371 | (2 pins, black) | rear RH side of engine compartment behind RH spring strut dome |
| X379 | (1 pin, natural) | in top of LH C-post |
| X379 | (1 pin, natural) | in rear lid (Touring) |
| X380 | (1 pin, natural) | in top of RH C-post |
| X380 | (1 pin, natural) | in rear lid (Touring) |
| X381 | (3 pins, black) | under roof centre panel |
| X382 | (3 pins, black) | above RH sun visor |
| X383 | (2 pins, black) | under rear of vehicle on differential |
| X386 | (2 pins, black) | Rear ashtray light |
| X389 | (2 pins, grey) | rear LH side of engine compartment |
| X390 | (2 pins, black) | RH side of dash behind glove compartment |
| X400 | (8 pins, black) | in rear LH side of glove compartment |
| X401 | (1 pin, black) | above LH sun visor |
| X402 | (1 pin, black) | above RH sun visor |
| X409 | (2 pins, black) | under centre of car on catalytic converter |
| X410 | (2 pins, black) | under centre of car on catalytic converter |
| X413 | (3 pins, natural) | rear parcel shelf |
| X413 | (3 pins, natural) | in rear lid (Touring) |
| X423 | (1 pin, natural) | below centre console on rear of handbrake lever |
| X424 | (1 pin, brown) | in top of LH C-post |
| X494 | Ground | under driver’s seat |
| X495 | Ground | behind RH footwell trim top |
| X498 | Ground | under driver’s seat |
| X503 | (12 pins, white) | behind LH side of dash |
| X504 | (4 pins, white) | behind LH side of dash |
| X509 | (9 pins, black) | behind glove compartment (glove box removed) |
| X510 | (9 pins, black) | behind glove compartment (glove box removed) |
| X511 | (8 pins, black) | centre console near gear lever |
| X514 | (4 pins, black) | centre console |
| X516 | (5 pins, black) | centre console |
| X517 | (4 pins, black) | behind LH side of dash |
| X518 | (4 pins, black) | LH footwell |
| X521 | (6 pins, blue) | centre console |
| X522 | (3 pins, white) | LH footwell |
| X531 | (1 pin, natural) | centre console near gear lever |
| X532 | (2 pins, black) | centre console near gear lever |
| X537 | (3 pins, black) | in top of LH front door behind door trim panel |
| X538 | (2 pins, black) | RH front door behind door trim panel |
| X539 | (2 pins, black) | centre console |
| X542 | (2 pins, black) | left of glove compartment |
| X603 | (12 pins, black) | LH front seat |
| X604 | (12 pins, black) | RH front seat |
| X605 | (12 pins, black) | in LH side of luggage compartment |
| X605 | (12 pins, black) | under RH side of rear seat (Convertible) |
| X605 | (12 pins, black) | in rear LH side of glove compartment (Touring) |
| X606 | (26 pins, black) | in LH side of luggage compartment |
| X606 | (26 pins, black) | under RH side of rear seat (Convertible) |
| X606 | (26 pins, black) | in rear LH side of glove compartment (Touring) |
| X607 | (9 pins, black) | under LH side of dash |
| X623 | (4 pins, black) | in top of LH front door behind door trim panel |
| X624 | (4 pins, black) | in top of RH front door behind door trim panel |
| X625 | (6 pins, white) | LH front door |
| X630 | (13 pins, black) | under centre of rear bumper (trailer socket) |
| X638 | (2 pins, black) | under RH side of rear seat |
| X641 | (6 pins, black) | RH front door behind door trim panel |
| X643 | (6 pins, green) | in windscreen header |
| X644 | (6 pins, black) | in bottom of LH rear door |
| X645 | (6 pins, blue) | in bottom of LH rear door |
| X646 | (6 pins, black) | in bottom of RH rear door behind trim |
| X647 | (6 pins, blue) | in bottom of RH rear door behind trim |
| X651 | (6 pins, yellow) | centre console |
| X652 | (6 pins, ---) | centre console |
| X658 | (6 pins, yellow) | centre console |
| X660 | (6 pins, black) | LH front door next to door lock |
| X663 | (6 pins, black) | under RH side of dash |
| X663 | (4 pins, black) | under RH side of dash |
| X671 | (5 pins, black) | behind LH side of dash |
| X679 | (2 pins, white) | under RH side of rear seat |
| X695 | (10 pins, black) | below centre console |
| X700 | (1 pin, natural) | behind RH footwell speaker cover |
| X701 | (1 pin, natural) | behind LH footwell speaker trim cover |
| X706 | (2 pins, black) | centre console |
| X709 | (2 pins, black) | underside of rear lid, near number plate |
| X710 | (2 pins, black) | underside of rear lid, near number plate |
| X711 | (1 pin, natural) | underside of rear lid left |
| X711 | (1 pin, natural) | underside of rear lid (Touring) |
| X712 | (1 pin, natural) | underside of rear lid left |
| X713 | (2 pins, black) | under rear of vehicle on differential |
| X714 | (2 pins, grey) | in bottom of LH rear door behind trim |
| X720 | (2 pins, grey) | in bottom of RH rear door behind trim |
| X726 | (2 pins, ---) | under LH front seat |
| X727 | (2 pins, ---) | under LH front seat |
| X728 | (2 pins, ---) | under LH front seat |
| X729 | (2 pins, ---) | under LH front seat |
| X732 | (4 pins, black) | under LH front seat under carpet |
| X733 | (4 pins, black) | under LH front seat under carpet |
| X734 | (2 pins, ---) | under RH front seat |
| X735 | (2 pins, ---) | under RH front seat |
| X736 | (2 pins, ---) | under RH front seat |
| X737 | (2 pins, ---) | under RH front seat |
| X740 | (4 pins, black) | under RH front seat |
| X741 | (4 pins, black) | under RH front seat |
| X742 | (2 pins, yellow) | RH front door next to door lock |
| X744 | (4 pins, grey) | RH front door behind door trim panel |
| X745 | (3 pins, black) | footwell, passenger’s side |
| X746 | (3 pins, white) | RH front door behind door trim panel |
| X747 | (2 pins, yellow) | LH front door next to door lock |
| X748 | (3 pins, black) | footwell, driver’s side |
| X749 | (4 pins, grey) | in top of LH front door |
| X751 | (2 pins, white) | LH front door next to door lock |
| X752 | (2 pins, grey) | LH front door next to door lock |
| X753 | (3 pins, black) | LH front door |
| X760 | (3 pins, black) | in head lining |
| X761 | (1 pin, black) | in head lining |
| X762 | (3 pins, black) | in head lining |
| X763 | (1 pin, black) | in head lining |
| X768 | (2 pins, white) | in engine compartment near front LH headlight |
| X769 | (2 pins, white) | in engine compartment near front RH headlight |
| X770 | (2 pins, yellow) | front LH side of vehicle |
| X771 | (2 pins, black) | on RH side of LH footwell on LH side of IHKA housing |
| X772 | (2 pins, white) | centre console |
| X773 | (2 pins, white) | centre console |
| X774 | (1 pin, grey) | rear of engine compartment under RH fresh air trim |
| X778 | (3 pins, black) | under LH front seat |
| X779 | (2 pins, black) | left of glove compartment (Charge socket) |
| X782 | (3 pins, orange) | behind glove compartment (glove box removed) |
| X783 | (3 pins, black) | underside of steering column |
| X816 | (2 pins, black) | rear of engine compartment under RH fresh air trim |
| X817 | (1 pin, black) | rear of engine compartment under RH fresh air trim |
| X899 | (12 pins, black) | behind centre of dash |
| X904 | (4 pins, black) | behind centre of dash |
| X905 | (5 pins, black) | behind centre of dash |
| X912 | (2 pins, white) | in bottom of LH rear door |
| X998 | (4 pins, black) | below centre console |
| X999 | (4 pins, black) | behind centre of dash on RH side of IHKA housing |
| X1001 | (4 pins, natural) | Rear right speaker |
| X1002 | (4 pins, natural) | Rear left speaker |
| X1014 | (1 pin, black) | centre console near gear lever |
| X1034 | (3 pins, black) | front LH side of engine compartment |
| X1035 | (3 pins, black) | front RH side of engine compartment |
| X1070 | (18 pins, black) | centre console |
| X1071 | (18 pins, natural) | centre console |
| X1074 | (15 pins, white) | under LH side of dash |
| X1075 | (15 pins, black) | under LH side of dash |
| X1148 | (2 pins, black) | front LH side of engine compartment Thermal switch, heated jets |
| X1155 | (3 pins, black) | behind centre of dash |
| X1161 | (9 pins, black) | rear LH side of engine compartment |
| X1165 | Ground | under LH side of dash |
| X1166 | Ground | behind RH footwell trim top |
| X1170 | (42 pins, black) | behind glove compartment (glove box removed) |
| X1171 | (55 pins, black) | behind glove compartment (glove box removed) |
| X1175 | (42 pins, black) | behind glove compartment (glove box removed) |
| X1176 | (25 pins, black) | LH side of engine compartment |
| X1178 | (2 pins, white) | centre console on RH side of gear shift lever |
| X1193 | (3 pins, black) | centre console on RH side of gear shift lever |
| X1213 | (2 pins, black) | centre console |
| X1222 | (6 pins, white) | in front RH side of glove compartment |
| X1222 | (6 pins, white) | in front RH side of glove compartment (Touring) |
| X1239 | (2 pins, black) | RH C-post |
| X1240 | (2 pins, black) | LH C-post |
| X1241 | (2 pins, natural) | under LH side of rear seat |
| X1243 | (6 pins, black) | centre console near gear lever |
| X1245 | (1 pin, black) | above LH sun visor |
| X1246 | (1 pin, black) | above RH sun visor |
| X1260 | (2 pins, ---) | Rear left speaker |
| X1261 | (2 pins, ---) | Rear right speaker |
| X1285 | (1 pin, ---) | in top of LH C-post Capacitor |
| X1292 | (4 pins, natural) | centre console |
| X1380 | (1 pin, natural) | behind RH footwell speaker cover |
| X1381 | (1 pin, natural) | behind LH footwell speaker trim cover |
| X1405 | (1 pin, natural) | rear LH side of engine compartment in power distribution box |
| X1406 | (1 pin, white) | rear LH side of engine compartment in power distribution box |
| X1426 | (1 pin, brown) | rear RH side of engine compartment |
| X1439 | (2 pins, black) | centre console |
| X1441 | Ground | under rear seat |
| X1527 | (26 pins, blue) | rear of centre console |
| X1529 | (1 pin, ---) | rear LH side of engine compartment in front power distributor |
| X1530 | (1 pin, natural) | rear LH side of engine compartment in front power distributor |
| X1558 | (3 pins, blue) | centre of dash |
| X1588 | (2 pins, black) | under LH side of dash |
| X1659 | (15 pins, black) | under RH side of dash behind glove compartment |
| X1660 | (3 pins, white) | underside of steering column |
| X1697 | (18 pins, natural) | under LH side of dash |
| X1699 | (12 pins, blue) | LH side of dash, rear of instrument cluster, A2w |
| X1705 | (12 pins, black) | rear of centre console |
| X1707 | (3 pins, black) | below centre console |
| X1708 | (10 pins, black) | below centre console |
| X1711 | (2 pins, black) | LH side of engine compartment |
| X1712 | (2 pins, black) | RH side of engine compartment |
| X1715 | (4 pins, natural) | behind trim, Subwoofer |
| X1780 | (9 pins, black) | footwell, driver’s side, behind trim |
| X1883 | (3 pins, orange) | in passenger’s door |
| X1884 | (3 pins, orange) | in driver’s door |
| X1885 | (3 pins, black) | under LH front seat |
| X1886 | (3 pins, black) | under RH front seat |
| X1890 | (3 pins, black) | under glove box |
| X2008 | (2 pins, black) | RH side of engine |
| X2023 | (1 pin, ---) | LH bottom of engine compartment Alternator |
| X2024 | (1 pin, ---) | LH bottom of engine compartment Alternator |
| X2025 | (1 pin, ---) | rear LH side of engine compartment Starter |
| X2026 | (1 pin, ---) | rear LH side of engine compartment Starter |
| X2027 | (1 pin, ---) | rear LH side of engine compartment, Starter |
| X2042 | Ground | rear RH side of engine compartment |
| X2115 | B+ terminal point | rear RH side of engine compartment |
| X2122 | (9 pins, black) | under front of car |
| X2123 | (2 pins, black) | under front of car |
| X2153 | (16 pins, black) | on LH side of transmission |
| X2154 | (88 pins, black) | rear RH side of engine compartment |
| X2200 | (10 pins, black) | rear LH side of engine compartment in power distribution box |
| X2226 | (3 pins, black) | LH side of engine |
| X2232 | (2 pins, black) | front of engine compartment |
| X2244 | (2 pins, black) | rear LH side of engine compartment |
| X3211 | (4 pins, black) | front RH side of engine compartment |
| X4770 | (4 pins, natural) | in top of RH C-post |
| X4771 | (4 pins, natural) | in top of LH C-post |
| X5210 | (3 pins, black) | front of engine compartment |
| X5220 | (3 pins, black) | front of engine compartment |
| X5238 | (2 pins, black) | on transmission |
| X5271 | (1 pin, black) | LH side of transmission |
| X5272 | (1 pin, black) | LH side of transmission |
| X5300 | (88 pins, black) | rear RH side of engine compartment |
| X5360 | (9 pins, black) | in auxiliary relay box front RH side of engine compartment near spring strut dome |
| X5370 | Ground | rear RH side of engine compartment behind RH spring strut dome |
| X6000 | (88 pins, black) | rear RH side of engine compartment |
| X6002 | (20 pins, black) | rear RH side of engine compartment |
| X6031 | (12 pins, black) | rear LH side of engine compartment |
| X6101 | (2 pins, black) | centre top of engine |
| X6102 | (2 pins, black) | centre top of engine |
| X6103 | (2 pins, black) | centre top of engine |
| X6104 | (2 pins, black) | centre top of engine |
| X6105 | (2 pins, black) | centre top of engine |
| X6106 | (2 pins, black) | centre top of engine |
| X6120 | (2 pins, black) | LH side of engine compartment, right of LH spring strut dome |
| X6130 | (3 pins, black) | LH front of engine below intake manifold |
| X6131 | (2 pins, black) | rear LH side of engine compartment |
| X6133 | (2 pins, black) | front of engine compartment |
| X6150 | (12 pins, black) | front RH side of engine compartment |
| X6151 | (3 pins, black) | RH top of engine |
| X6152 | (3 pins, black) | RH top of engine |
| X6153 | (3 pins, black) | RH top of engine |
| X6154 | (3 pins, black) | RH top of engine |
| X6155 | (3 pins, black) | RH top of engine |
| X6156 | (3 pins, black) | RH top of engine |
| X6164 | (2 pins, black) | in engine compartment |
| X6200 | (4 pins, black) | under centre of car |
| X6203 | (3 pins, black) | front of engine below intake manifold |
| X6204 | (3 pins, black) | front of engine below intake manifold |
| X6205 | (2 pins, black) | LH side of engine |
| X6207 | (4 pins, black) | LH side of engine compartment, right of LH spring strut dome |
| X6208 | (2 pins, black) | front of engine Camshaft control |
| X6209 | (3 pins, black) | front of engine Hall sensor, camshaft |
| X6210 | (4 pins, black) | front top of engine |
| X6217 | (4 pins, black) | front top of engine |
| X6220 | (4 pins, black) | front top of engine |
| X6230 | (3 pins, black) | RH bottom of engine |
| X6231 | (2 pins, black) | LH front of engine |
| X6231 | (2 pins, brown) | LH front of engine below intake manifold (316i-318i) (318is) |
| X6232 | (2 pins, black) | RH front of engine below intake manifold |
| X6233 | (7 pins, black) | LH side of engine compartment right of LH spring strut dome |
| X6240 | (4 pins, black) | LH front of engine |
| X6241 | (3 pins, black) | LH side of engine |
| X6242 | (3 pins, black) | LH side of engine |
| X6252 | (3 pins, black) | LH side of engine near dipstick |
| X6254 | (3 pins, black) | LH bottom of engine |
| X6256 | (4 pins, black) | LH front of engine |
| X6275 | (2 pins, black) | LH front of engine |
| X6277 | (3 pins, black) | front of engine compartment |
| X6278 | (3 pins, black) | front of engine compartment |
| X6300 | (9 pins, black) | rear LH side of engine compartment |
| X6301 | (9 pins, black) | rear LH side of engine compartment |
| X6303 | (9 pins, black) | rear LH side of engine compartment |
| X6307 | (10 pins, black) | front of engine compartment |
| X6309 | (10 pins, black) | front of engine compartment |
| X6326 | (9 pins, black) | rear RH side of engine compartment in electronics box |
| X6403 | B+ terminal point | on battery |
| X6430 | B+ terminal point | on B+ external start terminal point |
| X6431 | B+ terminal point | on B+ external start terminal point |
| X6432 | B+ terminal point | on B+ external start terminal point |
| X6437 | B+ terminal point | on B+ external start terminal point |
| X6454 | Ground | rear RH side of engine compartment behind RH spring strut dome |
| X6456 | Ground | front RH side of engine compartment |
| X6509 | Cable shoe, alternator B+ | front LH side of engine compartment |
| X6510 | Cable shoe, starter terminal 50 | rear LH side of engine compartment below intake manifold |
| X6511 | Cable shoe, starter terminal 30h | rear LH side of engine compartment below intake manifold |
| X6512 | Cable shoe, starter terminal 30 | rear LH side of engine compartment below intake manifold |
| X7000 | (88 pins, black) | rear RH side of engine compartment |
| X7163 | Distributor B+ | Distributor B+, X7163 |
| X7509 | Cable shoe, alternator D+ | front LH side of engine compartment bottom |
| X8500 | (88 pins, black) | rear RH side of engine compartment |
| X8503 | (10 pins, white) | centre console on RH side of gear shift lever |
| X8503 | (6 pins, yellow) | centre console on RH side of gear shift lever |
| X8505 | (16 pins, black) | on RH side of transmission |
| X8507 | (1 pin, black) | under LH side of dash |
| X8511 | (2 pins, black) | under front of car LH side of transmission |
| X8516 | (2 pins, black) | on LH side of transmission |
| X8516 | (3 pins, black) | on transmission |
| X8521 | (9 pins, black) | on RH side of transmission |
| X8525 | (3 pins, black) | under centre of car |
| X8551 | (10 pins, black) | under centre of car |
| X8587 | (2 pins, black) | on clutch pedal support bracket |
| X8588 | (2 pins, black) | on clutch pedal support bracket |
| X9317 | (6 pins, white) | below centre console |
| X9320 | (6 pins, white) | below centre console |
| X9997 | (2 pins, orange) | behind steering wheel |
| X10010 | Ground | behind RH footwell trim top |
| X10012 | Ground | behind RH footwell trim top |
| X10015 | (20 pins, black) | power distribution box rear LH side of engine compartment |
| X10016 | (20 pins, black) | power distribution box rear LH side of engine compartment |
| X10017 | (20 pins, black) | power distribution box rear LH side of engine compartment |
| X10018 | (32 pins, black) | power distribution box rear LH side of engine compartment |
| X10026 | (6 pins, black) | power distribution box rear LH side of engine compartment |
| X10030 | (5 pins, black) | power distribution box rear LH side of engine compartment |
| X10034 | (2 pins, ---) | rear LH side of engine compartment near front power distribution box |
| X10035 | (2 pins, ---) | rear LH side of engine compartment near front power distribution box |
| X10036 | (2 pins, black) | rear LH side of engine compartment near front power distribution box |
| X10051 | (4 pins, white) | under LH side of dash |
| X10054 | (12 pins, black) | under LH side of dash on steering column |
| X10073 | (1 pin, natural) | on front LH wheel well |
| X10092 | (9 pins, black) | behind glove compartment |
| X10094 | (2 pins, black) | LH side of engine compartment |
| X10095 | (2 pins, white) | under LH side of dash |
| X10098 | (1 pin, ---) | front RH side of engine compartment |
| X10099 | (1 pin, ---) | front RH side of engine compartment |
| X10102 | (10 pins, black) | near interior rear view mirror |
| X10182 | (18 pins, black) | behind glove compartment (glove box removed) |
| X10216 | (2 pins, yellow) | under driver’s seat |
| X10217 | (2 pins, yellow) | under passenger’s seat |
| X10218 | (3 pins, natural) | under RH front seat |
| X10223 | (3 pins, black) | in convertible soft top compartment |
| X10224 | (2 pins, black) | in convertible soft top compartment |
| X10225 | (3 pins, natural) | underside of rear lid |
| X10226 | (9 pins, black) | behind glove compartment |
| X10227 | (4 pins, yellow) | in convertible soft top compartment |
| X10239 | (3 pins, black) | LH side of engine compartment |
| X10240 | (9 pins, black) | under LH side of dash |
| X10250 | (2 pins, ---) | under LH side of dash |
| X10259 | (1 pin, ---) | front power distribution box |
| X10260 | (3 pins, natural) | under LH side of dash |
| X10261 | (4 pins, black) | front RH side of engine compartment near front RH headlight |
| X10266 | (6 pins, black) | in LH side of luggage compartment |
| X10267 | (6 pins, black) | centre console |
| X10271 | (3 pins, black) | Rear compartment interior light, centre |
| X10273 | (2 pins, black) | under LH side of dash |
| X10300 | (7 pins, black) | front RH side of engine compartment |
| X10353 | (25 pins, grey) | rear LH side of engine compartment |
| X10507 | (1 pin, black) | LH side of LH footwell |
| X11166 | Ground | behind rear seat bench left (Convertible) |
| X11205 | (2 pins, black) | behind rear seat bench right (Convertible) |
| X11208 | (2 pins, black) | hardtop |
| X11209 | (2 pins, black) | behind rear seat bench left (Convertible) |
| X11211 | (2 pins, ---) | hardtop |
| X11274 | (4 pins, black) | in rear LH side of glove compartment (Touring) |
| X11275 | (10 pins, black) | in rear LH side of glove compartment (Touring) |
| X11288 | (4 pins, natural) | in rear LH side of glove compartment (Touring) |
| X11289 | (3 pins, violet) | under LH front seat |
| X11290 | (3 pins, violet) | under RH front seat |
| X11335 | (3 pins, orange) | in passenger’s door |
| X11336 | (3 pins, orange) | in driver’s door |
| X11379 | (3 pins, black) | RH top of radiator |
| X11382 | (2 pins, blue) | front cover |
| X11383 | (2 pins, blue) | behind rear seat bench left |
| X11385 | (3 pins, black) | front cover |
| X11386 | (3 pins, blue) | behind rear seat bench |
| X11390 | (12 pins, black) | in bottom of LH C-post behind side panel |
| X11393 | (9 pins, black) | front power distribution box |
| X11394 | (25 pins, black) | rear LH side of engine compartment |
| X11396 | (3 pins, blue) | behind rear seat bench |
| X13004 | Ground | in top of RH rear backrest |
| X13004 | Ground | RH C-pillar (Touring) |
| X13006 | Ground | behind rear seat bench |
| X13006 | Ground | LH C-pillar (Touring) |
| X13009 | Ground | behind RH footwell trim top |
| X13012 | (26 pins, natural) | behind glove compartment (glove box removed) |
| X13013 | (5 pins, black) | behind glove compartment RH side of dash |
| X13014 | (4 pins, black) | behind glove compartment RH side of dash |
| X13016 | Ground | under LH side of dash |
| X13016 | Ground | LH C-pillar (Touring) |
| X13044 | (12 pins, black) | in bottom of LH C-post behind side panel |
| X13045 | (6 pins, natural) | centre console |
| X13057 | (2 pins, black) | underside of rear lid (Touring) |
| X13079 | (3 pins, yellow) | behind rear seat bench |
| X13125 | (3 pins, yellow) | Left vent window motor |
| X13126 | (3 pins, yellow) | Right vent window motor |
| X13142 | (2 pins, white) | behind rear seat bench (Convertible) |
| X13143 | (3 pins, black) | behind rear seat bench left |
| X13145 | (6 pins, black) | in convertible soft top compartment (Convertible) |
| X13146 | (2 pins, black) | in rear LH side of glove compartment |
| X13152 | (4 pins, black) | in rear LH side of glove compartment |
| X13156 | (10 pins, black) | in bottom of LH C-post behind side panel |
| X13157 | (6 pins, black) | in bottom of LH C-post behind side panel |
| X13159 | (26 pins, black) | in bottom of LH C-post behind side panel |
| X13172 | (2 pins, black) | under centre of car |
| X13176 | (6 pins, natural) | in windscreen header |
| X13226 | (2 pins, black) | behind rear seat bench |
| X13227 | (2 pins, black) | behind rear seat bench |
| X13230 | Ground | behind RH footwell trim top (Convertible) |
| X13242 | (3 pins, black) | RH B-pillar |
| X13242 | (3 pins, yellow) | in front RH side of glove compartment (Touring) |
| X13243 | (3 pins, black) | LH B-pillar |
| X13243 | (3 pins, yellow) | in rear LH side of glove compartment (Touring) |
| X13252 | (15 pins, black) | behind glove compartment (glove box removed) |
| X13253 | (26 pins, yellow) | behind glove compartment (glove box removed) |
| X13254 | (26 pins, green) | behind glove compartment (glove box removed) |
| X13255 | (12 pins, natural) | behind glove compartment (glove box removed) |
| X13256 | (2 pins, black) | left of LH rear seat behind trim |
| X13257 | (2 pins, black) | right of RH rear seat behind trim |
| X13258 | (15 pins, white) | behind glove compartment (glove box removed) |
| X13262 | (6 pins, blue) | centre console |
| X13263 | (2 pins, black) | behind glove compartment |
| X13268 | (3 pins, black) | underside of rear lid (Touring) |
| X13275 | (6 pins, natural) | in head lining |
| X13283 | (9 pins, black) | under LH side of dash |
| X18013 | (26 pins, ---) | in rear of luggage compartment |
| X18020 | (2 pins, black) | in LH side of rear bumper Rear left converter |
| X18021 | (2 pins, black) | in LH side of rear bumper Rear centre left converter |
| X18022 | (2 pins, black) | in RH side of rear bumper, Rear centre right converter |
| X18023 | (2 pins, black) | in RH side of rear bumper, Rear right converter |
| X18049 | (2 pins, grey) | in bottom of LH rear door behind trim |
| X18050 | (2 pins, white) | RH front door behind trim |
| X18051 | (2 pins, white) | in bottom of RH rear door behind trim |
| X18052 | (2 pins, grey) | in bottom of RH rear door behind trim |
| X18067 | (3 pins, natural) | under cover on transverse link |
| X18080 | (1 pin, natural) | in luggage compartment |
| X18084 | (2 pins, white) | LH front door behind trim |
| X18126 | (17 pins, black) | centre console behind radio |
| X18135 | (4 pins, ---) | under LH front seat |
| X18180 | (3 pins, white) | in rear RH side of luggage compartment |
| X18184 | (1 pin, natural) | Right rear low range speaker (Touring) |
| X18189 | (1 pin, natural) | Left rear low range speaker (Touring) |
| X18196 | (10 pins, black) | driver’s door Left front high range speaker |
| X18198 | (10 pins, black) | passenger’s door Right front high range speaker |
| X1826x | (2 pins, black) | in LH rear door |
| X1826y | (2 pins, black) | in RH rear door |
| X18279 | (3 pins, black) | in bottom of LH front door behind trim |
| X18280 | (3 pins, black) | in bottom of RH front door behind trim |
| X18295 | (2 pins, yellow) | in bottom of RH B-post behind trim panel |
| X18296 | (2 pins, yellow) | LH front door |
| X18313 | (6 pins, ---) | driver’s door |
| X18314 | (6 pins, ---) | passenger’s door |
| X18336 | (3 pins, black) | right of glove compartment (glove box removed) |
| X18520 | (10 pins, ---) | centre console Radio |
| X18521 | (10 pins, ---) | RH side of luggage compartment CD changer |
| X18723 | Ground | under LH side of dash |
| X18797 | (1 pin, natural) | in rear RH side of luggage compartment |
| X18798 | (1 pin, natural) | in rear RH side of luggage compartment |
| X18997 | (4 pins, black) | under LH side of dash |
| X18998 | (1 pin, natural) | in LH rear door |
| X18999 | (1 pin, natural) | in RH rear door |
| X19000 | (1 pin, ---) | in LH rear door |
| X19001 | (1 pin, ---) | in RH rear door |
| X19562 | (4 pins, natural) | under front RH bumper |
| X19564 | (2 pins, black) | in RH side of luggage compartment, behind trim |
| X62001 | (4 pins, black) | centre top of engine |
| X62101 | (4 pins, black) | centre top of engine |
| X62101 | (4 pins, black) | on transmission |
| X62201 | (4 pins, black) | centre top of engine |
| X62201 | (4 pins, black) | on transmission |
| X90260 | (3 pins, black) | underside of steering column |
| X91009 | (2 pins, black) | bottom of RH front seat |
| Y1 | ABS hydraulic unit | rear LH side of engine compartment behind LH spring strut dome |
| Y1z | Hydraulic unit | front RH side of engine compartment |
| Y2 | Solenoid clutch | front of engine |
| Y4 | Water valves | rear LH side of engine compartment |
| Y5 | Left outside mirror | in top of LH front door |
| Y6 | Right outside mirror | in top of RH front door |
| Y19 | Shift lock selector lever lock | centre console on RH side of gear shift lever |
| Y85 | Crash actuator, left | behind rear seat bench (Convertible) |
| Y86 | Crash actuator, right | behind rear seat bench (Convertible) |
| Y198 | Exhaust-gas flap valve | under centre of car |
| Y2121 | Transmission shift unit | on transmission |
| Y2153 | Gear shift unit | on transmission |
| Y5210 | VANOS valve 1 and 2 (inlet) | front of engine compartment |
| Y5220 | VANOS valve 1 and 2 (exhaust) | front of engine compartment |
| Y6101 | Fuel injector 1 | centre top of engine |
| Y6102 | Fuel injector 2 | centre top of engine |
| Y6103 | Fuel injector 3 | centre top of engine |
| Y6104 | Fuel injector 4 | centre top of engine |
| Y6105 | Fuel injector 5 | centre top of engine |
| Y6106 | Fuel injector 6 | centre top of engine |
| Y6120 | Charcoal filter valve | front LH side of engine compartment right of LH spring strut dome |
| Y6120 | Charcoal filter valve | LH side of engine compartment right of LH spring strut dome |
| Y6130 | Idle actuator | LH front of engine below intake manifold |
| Y6131 | Changeover valve I | rear LH side of engine compartment |
| Y6133 | Air pump | front of engine compartment |
| Y6164 | Valve for secondary air pump | in engine compartment |
| Y6275 | VANOS valve 1 | LH front of engine |
| Y8505 | Gear-shift unit | on transmission |
| Y8505y | Gearshift unit | on transmission |
| Y8516 | Speed sensor EGS | on LH side of transmission |
| Y8551 | Transmission switch | on transmission |
From the component location chart in the 1998 BMW wiring manual (05/99). Diesel, M3 and SMG entries left out; Touring and convertible entries are marked as such.