Quick Reference Guide (E31, E32) A Thru K
COMP COMPONENT NAME COMPONENT LOCATIONID
RELAYS
1 AUXILIARY RELAY BOX 1 LH side of engine compartment, ahead of shock tower
1 AUXILIARY RELAY BOX 2 RH side of engine compartment, forward of shock tower
A15 PARK VENTILATION RELAY BOX Behind RH side of dash, above glove BOX
K1 STARTER RELAY LH rear of engine compartment, in Front Power Distribution BOX
K2 HORN RELAY LH rear of engine compartment, in Front Power Distribution BOX
K3 UNLOADER RELAY, KLR LH rear of engine compartment, in Front Power Distribution BOX
K4 BLOWER RELAY LH rear of engine compartment, in Front Power Distribution BOX
K8 AUXILIARY WATER PUMP RELAY LH rear of engine compartment, in Front Power Distribution BOX
K9 UNLOADER RELAY, KL 15 LH rear of engine compartment, in Front Power Distribution BOX
K11 WIPER RELAY Below LH side of rear seat, in Rear Power Distribution BOX
K13 REAR WINDOW DEFOGGER RELAY Below LH Side Of Rear Seat, In Rear Power Distribution Box
K15 ELECTRIC POWER PROTECTION RELAY Below LH side of rear seat in Rear Power Distribution BOX
K16 HAZARD FLASHER RELAY LH rear of engine compartment, in Front Power Distribution BOX
K17 REAR SEAT HEATING RELAY Behind Lashed of rear seat, in Rear Power Distribution BOX
K19 COMPRESSOR CONTROL RELAY LH rear of engine compartment, in Front Power Distribution BOX
K21 NORMAL SPEED RELAY LH side of engine compartment, front of shock tower, in Auxiliary Relay BOX 1
K22 HIGH SPEED RELAY LH side of engine compartment, front of shock tower, in Auxiliary Relay BOX 1
K25 RIGHT PARK LIGHT/LICENSE PLATE LIGHT RELAY Below Lashed of dash, behind kick panel
K26 LEFT PARK LIGHT RELAY Below Lashed of dash, behind kick panel
K27 LEFT REAR SEAT HEATING/POSITION RELAY Below LH side of rear seat, on Rear Power Distribution BOX
K28 RIGHT REAR SEAT HEATING/POSITION RELAY Below LH side of rear seat, on Rear Power Distribution BOX
K33 AIR CONDITIONING RELAY LH side of engine compartment, front of shock tower, in Auxiliary Relay BOX 1
K61 UNLOADER RELAY, KL 61 LH rear of engine compartment, in Front Power Distribution BOX
K67 EDC RELAY RH side of luggage compartment
K79 FOG LIGHT RELAY Below LH side of dash
K87 STEERING COLUMN ADJUSTMENT RELAY Behind LH side of dash
K91 ON-BOARD COMPUTER HORN RELAY Below LH side of rear seat, ahead of rear Power Distribution BOX
K210 CYL. 1-6 FUEL PUMP RELAY Front of RH front shock tower, in Auxiliary Relay BOX 2
K211 CYL. 7-12 FUEL PUMP RELAY Front of RH front shock tower, in Auxiliary Relay BOX 2
K212 CYL. 1-6 ENGINE CONTROL MODULE RELAY Front of RH front shock tower, in Auxiliary Relay BOX 2
K213 CYL. 7-12 ENGINE CONTROL MODULE RELAY Front of RH front shock tower, in Auxiliary Relay BOX 2
K6300 ENGINE CONTROL MODULE RELAY RH rear of engine compartment, in E-BOX
K6301 CYL. 1-6 FUEL PUMP RELAY RH rear of engine compartment, in E-BOX
K6303 OXYGEN SENSOR RELAY RH rear of engine compartment, in E-BOX
MODULES
A1 GENERAL MODULE Below LH side of rear seat, in Rear Power Distribution BOX
A3 LAMP CONTROL MODULE LH rear of engine compartment, in Front Power Distribution BOX
A4 CHECK CONTROL MODULE LH rear of engine compartment, in Front Power Distribution BOX
A5 RELAY MODULE Below LH side of rear seat, in Rear Power Distribution BOX
A7 SLIP CONTROL MODULE (ABS) Behind RH front shock tower, in E-BOX
A8 CRUISE CONTROL MODULE (TEMPOMAT) Behind LH front speaker
A11 AUTOMATIC HEATING/AC CONTROL MODULE (IHKA) Ahead of IHKA plenum
A12 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE Below LH side of dash, left of steering column
A13 HEADREST CONTROL MODULE (REAR) Below LH side of rear seat, in Rear Power Distribution BOX
A17 SERVOTRONIC CONTROL MODULE Inside top of LH kick panel, on module/Relay bracket
A21 SEAT/MIRROR MEMORY CONTROL MODULE Underside of LH front seat
A21 SEAT/MIRROR/STEERING COLUMN MEMORY CONTROL MODULE Under driver's seat
A26 LOCK-SENSOR CONTROL MODULE Inside top of LH kick panel, on module/Relay bracket
A82 SUN BLIND CONTROL MODULE Back of rear window shelf
A211 CYL. 1-6 ENGINE CONTROL MODULE (DME) Behind RH front shock tower, in E-BOX
A212 CYL. 7-12 ENGINE CONTROL MODULE (DME) Behind RH front shock tower, in E-BOX
A220 ELECTRONIC THROTTLE CONTROL MODULE (EML) Behind RH front shock tower, in E-BOX
A300 TRANSMISSION CONTROL MODULE (EGS) Behind RH kick panel
A413 ELECTRONIC SHOCK ABSORBER CONTROL MODULE (EDC) RH side of luggage compartment
A417 AUTOMATIC AIR RECIRCULATION CONTROL MODULE Behind LH footwell speaker grille
A460 SOFT CLOSE TRUNK LID CONTROL MODULE RH side of luggage compartment
A6000 ENGINE CONTROL MODULE (DME) Behind RH front shock tower, in E-BOX
A6007 ELECTRONIC THROTTLE CONTROL MODULE (ADS II) In RH kick panel
A8500 TRANSMISSION CONTROL MODULE (EGS) (740i/L) Behind RH front shock tower, in E-BOX
A8600 ADAPTIVE TRANSMISSION CONTROL MODULE (AGS) Behind RH kick panel
A9070 SLIP CONTROL MODULE (ABS/ASC+T) (750iL) Behind RH front shock tower, in E-BOX
A9070 SLIP CONTROL MODULE (ABS/ASC+T) (740i/L) Behind RH front shock tower, in E-BOX
B22 WHEEL CAMBER CONTROL MODULE Below RH rear of car, above RH halfshaft
H10 CHIME MODULE Below LH side of dash, left of steering column, mounted on hush panel
N6 HEADLIGHT/FOG LIGHT CLEANING SYSTEM MODULE (SRA) LH side of engine compartment, front of shock tower, in Auxiliary Relay BOX 1
N12 ANTITHEFT MODULE (ALPINE) Behind LH side of dash, left of steering column
N17 CRASH CONTROL MODULE LH rear of engine compartment, in Front Power Distribution BOX
SENSORS
B1 RIGHT FRONT SPEED SENSOR (ABS) Behind RH front wheel
B2 LEFT FRONT SPEED SENSOR (ABS) Behind LH front wheel
B3 RIGHT REAR SPEED SENSOR (ABS) Behind RH rear wheel
B4 LEFT REAR SPEED SENSOR (ABS) Behind LH rear wheel
B6 FUEL LEVEL SENSOR Below luggage compartment, thru RH access panel, right of spare tire
B10 VEHICLE SPEED SENSOR Below rear of car, on RH side of rear differential
B11 LH HEAT EXCHANGER TEMPERATURE SENSOR Below LH side of dash, in LH rear of IHKA plenum
B12 RH HEAT EXCHANGER TEMPERATURE SENSOR Below RH side of dash, in RH side of IHKA plenum
B13 OUTSIDE TEMPERATURE SENSOR Behind coolant expansion tank support panel, on right of M30 blower motor
B14 EVAPORATOR TEMPERATURE SENSOR Below LH side of dash, on lower LH side of IHKA plenum
B16 LEFT FRONT BRAKE PAD SENSOR Behind LH front wheel, on brake caliper
B17 RIGHT REAR BRAKE PAD SENSOR Behind RH rear wheel, on brake caliper
B21 ON-BOARD COMPUTER TEMPERATURE SENSOR RH side of front bumper, top LH side of fog light
B41 RIGHT FRONT ACCELERATION SENSOR RH side of engine compartment
B48 RIGHT REAR ACCELERATION SENSOR RH side of luggage compartment, near wheel well
B49 LONGITUDINAL ACCELERATION SENSOR LH side of luggage compartment, near wheel well
B205 OIL LEVEL SENSOR (750iL) Under front of car, on bottom of oil pan
B207 ENGINE COOLANT TEMPERATURE SENSOR (750iL) RH front of engine, on end of cylinder head
B207 ENGINE COOLANT TEMPERATURE SENSOR (740/iL) RH rear of engine
B209 ENGINE COOLANT TEMPERATURE SENSOR (EML) (750iL) RH rear of engine, on end of cylinder head
B220 CYL. 1-6 CYLINDER IDENTIFICATION SENSOR Under LH distributor cover, on spark plug wire number6
B221 CYL. 7-12 CYLINDER IDENTIFICATION SENSOR Under RH distributor cover, on spark plug wire number 12
B222 CYL. 1-6 CRANKSHAFT POSITION/RPM SENSOR Lower LH center front of engine, below B223 Cyl. 7-12 crankshaft Position/RPM sensor
B223 CYL. 7-12 CRANKSHAFT POSITION/RPM SENSOR LH center front of engine, near top radiator hose engine inlet
B224 CYL. 1-6 ENGINE INTAKE AIR TEMPERATURE SENSOR LH rear of engine, on end of cylinder head
B225 CYL. 7-12 ENGINE INTAKE AIR TEMPERATURE SENSOR RH rear of engine, on end of cylinder head
B226 CYL. 1-6 MASS AIR FLOW SENSOR LH front of engine, on air intake assembly
B227 CYL. 7-12 MASS AIR FLOW SENSOR RH front of engine, on air intake assembly
B228 ENGINE COOLANT TEMPERATURE SENSOR (DME) RH rear of engine, on end of cylinder head
B301 CYL. 1-6 HEATED OXYGEN SENSOR Below center of car, in LH top of catalytic converter
B302 CYL. 7-12 HEATED OXYGEN SENSOR Below center of car, in RH top of catalytic converter
B414 AUTOMATIC AIR RECIRCULATION SENSOR Center console
B6201 CAMSHAFT POSITION SENSOR RH front of engine
B6203 CRANKSHAFT POSITION/RPM SENSOR Top RH side of engine
B6206 MASS AIR FLOW SENSOR RH front of engine
B6210 CYL. 1-4 HEATED OXYGEN SENSOR Below car, in exhaust pipe
B6215 INTAKE AIR TEMPERATURE SENSOR Front of engine compartment
B6220 CYL. 5-8 HEATED OXYGEN SENSOR Below car, in exhaust pipe
B6236 ENGINE COOLANT TEMPERATURE SENSOR RH rear of engine
B6241 CYL. 1-2 KNOCK SENSOR Top RH side of engine
B6242 CYL. 3-4 KNOCK SENSOR Top RH side of engine
B6243 CYL. 5-6 KNOCK SENSOR Top LH side of engine
B6244 CYL. 7-8 KNOCK SENSOR Top LH side of engine
R10 PEDAL POSITION SENSOR Below LH side of dash, RH side of brake pedal support
R6252 THROTTLE POSITION SENSOR Front of engine compartment
R6253 ASC THROTTLE POSITION SENSOR Front of engine compartment
S71 LEFT FRONT IMPACT SENSOR Ahead Of LH front shock tower, top of wheel well
S72 RIGHT FRONT IMPACT SENSOR Above Of RH front shock tower, top of wheel well
SWITCHES
B18 BRAKE FLUID LEVEL SWITCH (750iL) LH rear of engine compartment, top of brake fluid reservoir
B18 BRAKE FLUID LEVEL SWITCH (740i/L) LH rear of engine compartment, top of brake fluid reservoir
B19 BRAKE PRESSURE REGULATING SWITCH LH side of engine compartment, right of shock tower
B205 OIL PRESSURE SWITCH (740i/L) Under front of car, on bottom of oil pan
B206 OIL PRESSURE SWITCH LH front of engine, on rear of oil filter
B210 TEMPERATURE SWITCH Behind RH front shock tower, in E-BOX
B6230 OIL LEVEL SWITCH Under front of car, on bottom of oil pan
B6231 OIL PRESSURE SWITCH LH front of engine
B6235 TEMPERATURE SWITCH Behind RH front shock tower, in E-BOX
B9508 PRESSURE SWITCH RH front corner of engine compartment
S2 IGNITION SWITCH Top RH side of steering column
S3 AUTOMATIC TRANSMISSION RANGE SWITCH Below center console, at base of gear selector
S7 COMBINATION SWITCH Top of steering column
S14 DRIVER'S DOOR JAMB SWITCH ahead of LH rear door
S19 UNDERHOOD LIGHT SWITCH LH Front of engine compartment hood
S20 RADIO ANTITHEFT SWITCH (DWA) Behind center of dash, behind N9 Radio
S21 ENGINE HOOD SWITCH (DWA) RH rear of engine compartment, RH side of E-Box
S22 BATTERY SWITCH (DWA) BELOW RH side of rear seat, near GI battery
S23 TRUNK LOCK SWITCH (DWA) Center rear of luggage compartment, center of rear panel, below latch
S24 REAR SEAT SWITCH (DWA) Below RH side of rear seat, right of G1 battery
S27 INERTIA SWITCH Below LH side of rear seat, right of rear Power Distribution BOX
S29 BRAKE LIGHT SWITCH Below LH side of dash, on brake pedal support
S31 PARK BRAKE SWITCH Below center console, on rear of park brake lever
S32 CLUTCH SWITCH Below LH side of dash, top of clutch pedal support
S36 TEMPERATURE SWITCH Top RH side of radiator
S37 GLOVE BOX LIGHT SWITCH RH side of dash, above glove BOX
S39 SUNROOF POSITION SWITCH In center of windshield header, behind M24 sunroof motor
S43 DRIVER'S WINDOW LIMIT SWITCH In center front of driver's door
S44 PASSENGER'S WINDOW LIMIT SWITCH In center front of passenger's door
S45 LEFT REAR WINDOW LIMIT SWITCH In center front of LH rear door
S46 RIGHT REAR WINDOW LIMIT SWITCH In center front of RH rear door
S48 DRIVER'S DOOR HANDLE SWITCH Behind driver's door handle
S50 DRIVER'S MEMORY SEAT ADJUSTMENT SWITCH In rear of console
S52 DRIVER'S SEAT LUMBAR SWITCH In rear of console
S57 MEMORY SEAT MIRRORS SWITCH In rear of console
S58 DRIVER'S SEAT BELT SWITCH In driver's seat belt buckle assembly
S59 PASSENGER'S SEAT BELT SWITCH In RH front seat belt buckle
S61 TRUNK LID SWITCH In center rear of trunk lid, near trunk lock
S63 ENGINE COOLANT LEVEL SWITCH Center rear of engine compartment, top of coolant reservoir
S64 WASHER FLUID LEVEL SWITCH (750iL) RH frt. of engine compartment, on lower front of top washer fluid reservoir.
S64 WASHER FLUID LEVEL SWITCH (740i/L) RH front of engine compartment, on washer fluid reservoir
S65 POWER STEERING FLUID LEVEL SWITCH LH side of engine compartment, in Power steering fluid reservoir
S110 SUN BLIND SWITCH Rear of center console
S300 PROGRAM SWITCH Center console
S302 BACK-UP SWITCH Top RH side of transmission
S8503 PROGRAM SWITCH On center console
S8507 KICKDOWN SWITCH Underneath accelerator pedal
S8524 BACK-UP LIGHT SWITCH RH side of transmission
LIGHTS
A443 LEFT XENON LIGHT LH side of engine compartment
A444 RIGHT XENON LIGHT RH side of engine compartment
MOTORS
M3 WIPER MOTOR Behind LH side of fresh air cowl
M9 AUXILIARY FAN MOTOR Center front of car, forward of radiator
M12 DRIVER'S DOOR LOCK MOTOR In top rear of driver's door
M13 PASSENGER'S DOOR LOCK MOTOR In top rear of passenger's door
M14 RIGHT REAR DOOR LOCK MOTOR In rear of RH rear door
M15 LEFT REAR DOOR LOCK MOTOR Top rear of LH rear door
M16 GAS FILLER LOCK MOTOR RH side of luggage compartment, behind wheel well
M17 TRUNK LOCK MOTOR Center rear of luggage compartment, right of lid lock assembly
M20 LEFT REAR WINDOW MOTOR In lower front of LH rear door
M21 DRIVER'S WINDOW MOTOR In lower front of driver's door
M22 RIGHT REAR WINDOW MOTOR In lower front of RH rear door
M23 PASSENGER'S WINDOW MOTOR In lower front of passenger's door
M24 SUNROOF MOTOR In center of windshield header, behind rear view mirror
M26 REAR LEFT SEAT MOVEMENT MOTOR Underside of LH seat
M27 LEFT REAR HEADREST MOTOR In LH rear headrest assembly
M28 RIGHT REAR HEADREST MOTOR In RH rear headrest assembly
M29 REAR LEFT SEAT MOVEMENT MOTOR Underside of RH rear seat
M30 BLOWER MOTOR Below center of fresh air cowl, behind coolant expansion tank support panel
M31 LEFT FOOTWELL FLAP MOTOR Below LH side of dash, on LH rear of IHKA plenum
M32 RIGHT FOOTWELL FLAP MOTOR Below RH side of dash, on RH side of IHKA plenum
M33 RIGHT VENTILATION FLAP MOTOR Below RH side of dash, on RH side of IHKA plenum
M34 RIGHT MIXING FLAP MOTOR Behind center of dash, right of N9 radio
M35 DEFROSTER FLAP MOTOR Below LH side of dash, on lower LH side of IHKA plenum
M36 FRESH AIR FLAP MOTOR Below LH side of dash, on LH front of IHKA plenum
M38 LEFT VENTILATION FLAP MOTOR Below LH side of dash, on LH side of IHKA plenum
M39 LEFT MIXING FLAP MOTOR Behind center of dash, left of N9 radio
M40 RECIRCULATION FLAP MOTOR Below LH side of dash, on LH front of IHKA plenum
M41 REAR COMPARTMENT FLAP MOTOR Below LH front of center console, on lower rear of IHKA plenum
M50 DRIVER'S SEAT CUSHION TILT MOTOR Under LH side of driver's seat
M51 DRIVER'S SEAT MOVEMENT MOTOR Under RH side of driver's seat
M52 DRIVER'S SEAT HEIGHT MOTOR Under front of driver's seat
M53 DRIVER'S SEATBACK RECLINER MOTOR Under front of driver's seat
M54 DRIVER'S HEADREST MOTOR In Top RH corner of driver's seatback
M55 DRIVER'S SEAT LUMBAR SUPPORT MOTOR In lower RH corner of driver's seatback
M56 PASSENGER'S SEAT LUMBAR SUPPORT MOTOR In lower RH corner of passenger's seatback
M57 PASSENGER'S SEAT HEADREST MOTOR In top RH corner of passenger's seatback
M58 PASSENGER'S SEATBACK RECLINER MOTOR Under front of passenger's seat
M59 PASSENGER'S SEAT HEIGHT MOTOR Under front of passenger's seat
M60 PASSENGER'S SEAT MOVEMENT MOTOR Under RH side of passenger's seat
M61 PASSENGER'S SEAT CUSHION TILT MOTOR Under LH side of passenger's seat
M74 SUN BLIND MOTOR Back of rear window shelf
M79 SOFT CLOSE TRUNK LID MOTOR ASSEMBLY RH side of luggage compartment
M82 STEERING COLUMN LENGTH ADJUST MOTOR LH side of steering column support
M93 THROTTLE POSITION MOTOR (ADS) LH front corner of engine compartment
Y401 LEFT FRONT EDC MOTOR On LH front shock
Y402 RIGHT FRONT EDC MOTOR On RH front shock
Y403 LEFT REAR EDC MOTOR On LH rear shock
Y404 RIGHT REAR EDC MOTOR On RH rear shock