Quick Reference Guide (E31, E32) A Thru K
COMP COMPONENT NAME COMPONENT LOCATIONID
MODULES
A1 GENERAL MODULE Below LH side of dash
A3 LAMP CONTROL MODULE Below LH side of dash
A5 RELAY MODULE Inside box on Interior side of LH door sill
A7 SLIP CONTROL MODULE (ABS) LH side of LH footwell (840Ci)
A8 CRUISE CONTROL MODULE (TEMPOMAT) In RH rear side of luggage compartment (840Ci)
A11 AUTOMATIC HEATING/AC CONTROL MODULE (IHKA) Between front footwells
A12 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE Below RH side of dash
A21 SEAT/MIRROR MEMORY CONTROL MODULE Underside of LH front seat
A23 DRIVER'S DOOR MODULE In lower LH front door
A24 PASSENGER'S DOOR MODULE In lower RH front door
A25 BODY ELECTRONICS MODULE Below LH side of dash
A26 LOCK-SENSOR CONTROL MODULE LH side of LH footwell
A33 SUNROOF MODULE Center of windshield header
A57 AHK CONTROL MODULE In RH rear side of luggage compartment
A82 SUN BLIND CONTROL MODULE At back of rear window shelf
A34z STEERING COLUMN MEMORY CONTROL MODULE Center of dash behind radio
A413 ELECTRONIC SHOCK ABSORBER CONTROL MODULE (EDC) In RH side of luggage compartment
A417 AUTOMATIC AIR RECIRCULATION CONTROL MODULE Behind RH footwell speaker grille
A6OOO ENGINE CONTROL MODULE (DME) In E-Box (840Ci)
A6004 THROTTLE CONTROL MODULE (EML) Rear RH side of engine compartment in E-Box
A6010 CYL. 1-6 ENGINE CONTROL MODULE (DME) Rear RH side of engine compartment in E-Box
A6020 CYL. 7-12 ENGINE CONTROL MODULE (DME) Rear RH side of engine compartment in E-Box
A8500 TRANSMISSION CONTROL MODULE (EGS) In RH rear side of luggage compartment
A8600 TRANSMISSION CONTROL MODULE (AGS) In E-Box (840Ci)
A9070 SLIP CONTROL MODULE (ABS/ASC+T) LH side of LH footwell
N1 ANTI-THEFT CONTROL MODULE (DWA) Inside box on interior side of RH door sill
N6 HEADLIGHT/FOGLIGHT CLEANING MODULE (SRA) Rear LH side of engine compartment in Front Power Distribution Box
N17 CRASH CONTROL MODULE Rear LH side 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
B10 VEHICLE SPEED SENSOR On differential
B11 LH HEAT EXCHANGER TEMPERATURE SENSOR Below LH side of dash
B12 RH HEAT EXCHANGER TEMPERATURE SENSOR Center console right behind radio
B13 OUTSIDE TEMPERATURE SENSOR Behind center of cowl
B14 EVAPORATOR TEMPERATURE SENSOR RH side of LH footwell
B16 LEFT FRONT BRAKE PAD SENSOR Behind LH front wheel
B17 RIGHT REAR BRAKE PAD SENSOR Behind RH rear wheel
B48 RIGHT REAR ACCELERATION SENSOR In RH rear side of luggage compartment
B49 LONGITUDINAL ACCELERATION SENSOR In LH forward side of luggage compartment
B6z FUEL LEVEL SENSOR I Under RH rear seat
B21z TEMPERATURE SENSOR In ventilation duct left
B414 AUTOMATIC AIR RECIRCULATION SENSOR Front LH side of engine compartment
B41z FRONT ACCELERATION SENSOR RH front of wheel well above
B62O3 CRANKSHAFT POSITION/RPM SENSOR Front of engine (840Ci)
B6204 CAMSHAFT POSITION SENSOR (CYLINDER IDENTIFICATION) Front of engine (840Ci)
B6210 CYL. 1-6 HEATED OXYGEN SENSOR On catalytic converter
B6211 CYL. 1-8 CYLINDER IDENTIFICATION SENSOR Front of engine left
B6212 CYL. 1-6 CRANKSHAFT POSITION/RPM SENSOR Front of engine compartment
B6215 CYL. 1-6 AIR TEMPERATURE SENSOR Rear of engine
B6216 CYL. 1-6 MASS AIR FLOW SENSOR LH side of engine compartment
B622O CYL. 7-12 HEATED OXYGEN SENSOR On catalytic converter
B6221 CYL. 7-12 CYLINDER IDENTIFICATION SENSOR Front of engine right
B6222 CYL. 7-12 CRANKSHAFT POSITION/RPM SENSOR Front of engine compartment
B6225 CYL. 7-12 AIR TEMPERATURE SENSOR Rear of engine
B6226 CYL. 7-12 MASS AIR FLOW SENSOR RH side of engine compartment
B6230 OIL LEVEL SENSOR Under LH front of car
B6232 ENGINE COOLANT TEMPERATURE SENSOR RH side of engine rear (840Ci)
B6234 ENGINE COOLANT TEMP SENSOR (EML) On coolant inlet
B6236 ENGINE COOLANT TEMPERATURE SENSOR RH side of engine rear (840Ci)
B6241 CYL. 1-2 KNOCK SENSOR RH cylinder head (840Ci)
B6242 CYL. 3-4 KNOCK SENSOR RH cylinder head (840Ci)
B6243 CYL. 5-6 KNOCK SENSOR LH cylinder head (840Ci)
B6244 CYL. 7-8 KNOCK SENSOR LH cylinder head (840Ci)
B6210w CYL. 1-4 HEATED OXYGEN SENSOR On catalytic converter
B6215a INTAKE AIR TEMPERATURE SENSOR On coolant inlet
B6220w CYL. 5-8 HEATED OXYGEN SENSOR On catalytic converter
M21z DRIVER'S POWER WINDOW MOTOR/INCREMENT SENSOR In lower LH front door
M23z PASSENGER'S POWER WINDOW MOTOR/INCREMENT SENSOR In lower RH front door
R1O PEDAL POSITION SENSOR Below LH side of dash
R24 STEERING WHEEL ANGLE SENSOR On steering column
R6252 THROTTLE POSITION SENSOR Front of engine (840Ci)
R6253 AUXILIARY THROTTLE POSITION SENSOR Front of engine (840Ci)
RELAYS
K1 STARTER RELAY Rear LH side of engine compartment in Front Power Distribution Box
K2 HORN RELAY Rear LH side of engine compartment in Front Power Distribution Box
K3 UNLOADER RELAY, TERMINAL R Rear LH side of engine compartment in Front Power Distribution Box
K4 BLOWER RELAY Rear LH side of engine compartment in Front Power Distribution Box
K5 WASHER PUMP RELAY Rear LH side of engine compartment in Front Power Distribution Box
K9 UNLOADER RELAY, TERMINAL 15 Rear LH side of engine compartment in Front Power Distribution Box
K12 WIPER PRESSURE CONTROL (ADV) RELAY Rear LH side of engine compartment in Front Power Distribution Box
K13 REAR DEFOGGER RELAY Rear Power Distribution Box in LH side of luggage compartment
K15 ELECTRIC POWER PROTECTION RELAY Rear Power Distribution Box in LH side of luggage compartment
K16 HAZARD FLASHER RELAY Rear LH side of engine compartment in Front Power Distribution Box
K19 COMPRESSOR CONTROL RELAY Rear LH side of engine compartment in Front Power Distribution Box
K1w STARTER IMMOBILIZATION RELAY Behind LH footwell speaker grille
k21 NORMAL SPEED RELAY Rear LH side of engine compartment in Front Power Distribution Box
K22 HIGH SPEED RELAY Rear LH side of engine compartment in Front Power Distribution Box
k25 RIGHT PARK LIGHT/LICENSE PLATE LIGHT RELAY Below LH side of dash near hood release lever
K26 LEFT PARK LIGHT RELAY Below LH side of dash near hood release lever
k29 INTERIOR LIGHT RELAY LH side of LH footwell
K3O ELECTRIC POWER PROTECTION RELAY II Rear Power Distribution Box in LH side of luggage compartment
K33 AIR CONDITIONING RELAY Rear LH side of engine compartment in Front Power Distribution Box
K36 WIPER RELAY I Rear LH side of engine compartment in Front Power Distribution Box
K37 WIPER RELAY II Rear LH side of engine compartment in Front Power Distribution Box
K38 WIPER RELAY III Rear LH side of engine compartment in Front Power Distribution Box
K39 CONCEALING HEADLIGHTS RELAY Rear LH side of engine compartment in Front Power Distribution Box
K42 INTENSIVE WASH RELAY Rear LH side of engine compartment in Front Power Distribution Box
K46 HIGH BEAM LIGHT RELAY Rear LH side of engine compartment in Front Power Distribution Box
K6O COMPRESSOR CUT-OFF RELAY Rear LH side of engine compartment in Front Power Distribution Box
K61 UNLOADER RELAY, TERMINAL 61 Rear LH side of engine compartment in Front Power Distribution Box
K67 EDC RELAY In RH side of luggage compartment
K7O CENTRAL LOCKING TRUNK LID MOTOR RELAY (ZV) Rear Power Distribution Box in LH side of luggage compartment
K72 CONSUMER CUT-OFF RELAY I Rear Power Distribution Box in LH side of luggage compartment
K73 CONSUMER CUT-OFF RELAY II Rear Power Distribution Box in LH side of luggage compartment
K81 WARNING LIGHT RELAY In RH rear side of luggage compartment
K82 AHK RELAY In RH rear side of luggage compartment
K8z AUXILIARY WATER PUMP RELAY Rear LH side of engine compartment in Front Power Distribution Box
k91 ON-BOARD COMPUTER HORN RELAY Inside box on interior side of RH door sill
K94 ABS PUMP MOTOR RELAY In LH auxiliary relay box, engine compartment
K94 ABS PUMP MOTOR RELAY LH side of engine compartment in auxiliary relay box LH front of engine compartment
K95 VALVE RELAY (ABS/ASC) In LH auxiliary relay box, engine compartment
k95 VALVE RELAY (ABS/ASC) LH side of engine compartment in auxiliary relay box LH front of engine compartment
K111 DAYTIME RUNNING LIGHTS RELAY Rear Power Distribution Box in LH side of luggage compartment
K199 SERVOTRONIC RELAY Rear LH side of engine compartment in Front Power Distribution Box
K52z FLASHER LIGHT RELAY Rear LH side of engine compartment in Front Power Distribution Box
K6300 ENGINE CONTROL MODULE RELAY In E-Box
K6303 OXYGEN SENSOR RELAY In E-Box (840Ci)
K6303 OXYGEN SENSOR RELAY In E-Box
K6310 CYL. 1-6 ENGINE CONTROL MODULE RELAY Rear RH side of engine compartment in E-Box
k6311 CYL. 1-6 FUEL PUMP RELAY Rear RH side of engine compartment in E-Box
k6320 CYL. 7-12 ENGINE CONTROL MODULE RELAY Rear RH side of engine compartment in E-Box
k6321 CYL. 7-12 FUEL PUMP RELAY Rear RH side of engine compartment in E-Box
K6301w FUEL PUMP RELAY In E-Box (840Ci)
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