BUZZERS, RELAYS & TIMERS
| Component | Component Location |
|---|---|
| ABS Pump Relay | In left A-pillar behind trim panel. |
| Air Pump Relay | In E-box. |
| Auxiliary Water Pump Relay | In front power distribution box. (Схема №2) |
| Blower Relay | In front power distribution box. (Схема №2) |
| Compressor Control Relay | In front power distribution box. (Схема №2) |
| Electric Power Protection Relay | In rear power distribution box. (Схема №4) |
| Electric Steering Column Adjustment Relay | Below left side of dash. |
| Engine Control Module Relay | In E-box. |
| Fuel Pump Relay | In E-box. |
| Hazard Flasher Relay | In front power distribution box. (Схема №2) |
| High Speed Relay | In auxiliary relay block, in engine compartment. (Схема №3) |
| Horn Relay | In front power distribution box. (Схема №2) |
| Interior Lamp Relay | Below left side of rear seat, in rear power distribution box. |
| Left Park Lamp Relay | Below left side of dash. |
| Lift Gate Open Warning Relay | Rear of luggage compartment. |
| Normal Speed Relay | In auxiliary relay block, in engine compartment. (Схема №3) |
| On-Board Computer Horn Relay | Under left side of rear seat. |
| Oxygen Sensor Relay | In E-box. |
| Rear Defogger Relay | In rear power distribution box. (Схема №4) |
| Right Park Lamp/License Plate Lamp Relay | Below left side of dash near hood release lever. |
| Starter Immobilization Relay | Behind left footwell speaker grille. |
| Unloader Relays (3) | In front power distribution box. (Схема №2) |
| Valve Relay (ABS/ASC) | In left A-pillar behind trim panel. |
| Washer Pump Relay | In front power distribution box. (Схема №2) |
| Wiper Relay | In rear power distribution box. (Схема №4) |
BUZZERS, RELAYS & TIMERS
CIRCUIT PROTECTION DEVICES
| Component | Component Location |
|---|---|
| Auxiliary Relay Box | On left side of engine compartment. (Схема №1) |
| E-Box | Right rear side of engine compartment. (Схема №1) |
| Front Power Distribution Box | On left rear side of engine compartment. (Схема №1) |
| Rear Power Distribution Box | Under left side of rear seat. (Схема №1) |
CIRCUIT PROTECTION DEVICES
CONTROL UNITS
| Component | Component Location |
|---|---|
| Anti-Theft Control Module | Under right side of rear seat. |
| Check Control Module | In front power distribution box. (Схема №2) |
| Chime Module | Left footwell. |
| Crash Control Module | In front power distribution box. (Схема №2) |
| Cruise Control Module | Below left side of dash. |
| Engine Control Module | In E-box, behind right front shock tower. (Схема №5) |
| General Module | In rear power distribution box. (Схема №4) |
| Headlamp/Foglamp Cleaning Module | In auxiliary relay box. (Схема №3) |
| Integrated Climate Regulation Control Module | Left side of right footwell. |
| Lamp Control Module | In front power distribution box. (Схема №2) |
| Rear Lid/Rear Window Servo Opening Module | Right side of luggage compartment. |
| Rear Wiper/Washer Interval Control Unit | On right side of luggage compartment. |
| Relay Module | In rear power distribution box. (Схема №4) |
| Seat/Mirror Memory Control Module | Under left front seat. |
| Slip Control Module (ABS) | In E-box, behind right front shock tower. (Схема №5) |
| Slip Control Module (ABS/ASC) | In E-box, behind right front shock tower. (Схема №5) |
| Supplemental Restraint System Control Module | Under rear seat. |
| Transmission Control Module | In E-box, behind right front shock tower. (Схема №5) |
| Wheel Camber Control Module | Below right rear of vehicle, near differential. |
CONTROL UNITS
MOTORS
| Component | Component Location |
|---|---|
| Auxiliary Fan Motor | Behind front grille. |
| Auxiliary Throttle Position Motor | Behind left front fog lamp. |
| Auxiliary Water Pump | Rear left side of engine compartment. |
| Blower Motor | Rear left side of engine compartment. |
| Cruise Control Actuator | Left side of engine compartment. |
| E-Box Fan | Rear right side of engine compartment in E-box. |
| Fresh Air Flap Motor | Behind left center of dash, on left side of A/C-heater plenum. |
| Fuel Pump | On right side of luggage compartment. |
| Gas Filler Lock Motor | On right side of luggage compartment, behind wheelwell. |
| Headlamp/Fog Lamp Washer Pump | Front right side of engine compartment near washer reservoir. |
| Lift Gate Motor | Rear of luggage compartment in lift gate. |
| Rear Window Washer Pump | Right side of luggage compartment. |
| Rear Window Wiper Motor | Rear of luggage compartment on lift gate. |
| Recirculation Flap Motor | Left side of plenum. |
| Secondary Air Pump | On right front wheelwell. |
| Steering Column Length Adjust Motor | At base of steering column. |
| Washer Pump | Front right side of engine compartment. |
| Wiper Motor | Behind left fresh air cowl. |
MOTORS
SENDING UNITS & SENSORS
| Component | Component Location |
|---|---|
| ABS Wheel Speed Sensors | Behind each wheel hub. |
| Air Mass Meter | In air intake tube between air cleaner & throttle body. |
| Air Temperature Sensor (530i/t & 540i) | Top front of engine compartment. |
| Auxiliary Throttle Position Sensor | Top front of engine compartment. |
| Brake Pad Sensor (Left Front) | Behind left front wheel. |
| Brake Pad Sensor (Right Rear) | Behind right rear wheel. |
| Camshaft Position Sensor (530i/t & 540i) | Front of engine. |
| Crankshaft Position/RPM Sensor | Front of engine. |
| Electronic Transmission Speed Sensor | Under center of car. |
| Engine Coolant Temperature Sensor (525i/t) | Front of engine. |
| Engine Coolant Temperature Sensor (530i/t & 540i) | Right rear side of engine. |
| Evaporator Temperature Sensor | To right of accelerator pedal, on A/C-heater plenum. |
| Fuel Level Sensor | In right side of luggage compartment. |
| Hall Effect Camshaft Sensor | Front of engine. |
| Heat Exchanger Temperature Sensor (Left) | Behind left center of dash, on left side of A/C-heater plenum. |
| Heat Exchanger Temperature Sensor (Right) | Behind right center of dash, on right side of A/C-heater plenum. |
| Heated Oxygen Sensor (6 Cyl.) | On catalytic converter. |
| Heated Oxygen Sensor (2) (8 Cyl.) | Under transmission. |
| Intake Air Temperature Sensor | Front of engine on coolant inlet. |
| Knock Sensors (2) (525i/t) | Top front of engine. |
| Knock Sensors (4) (530i/t & 540i) | Two on each side of engine. |
| Mass Air Flow Sensor (530i/t & 540i) | Right front of engine. |
| Oil Level Sensor | On bottom of engine oil pan. |
| On-Board Computer Temperature Sensor | Under left side of front bumper. |
| Outside Temperature Sensor | On left rear side of engine compartment. |
| Throttle Position Sensor | Top front of engine compartment. |
| Vehicle Speed Sensor | In rear differential. |
SENDING UNITS & SENSORS
SOLENOIDS & SOLENOID VALVES
| Component | Component Location |
|---|---|
| Camshaft Actuator | Front of engine. |
| Evaporative Emission Valve (525i/t) | Left side of engine compartment. |
| Idle Speed Control Valve (525i/t) | Front of engine. |
| Idle Speed Control Valve (530i/t & 540i) | Top front of engine compartment. |
| Secondary Air Pump Valve | Near throttle body. |
| Water Valve Assembly | Rear left side of engine compartment. |
SOLENOIDS & SOLENOID VALVES
SWITCHES
| Component | Component Location |
|---|---|
| A/T Range Switch | Under console, at base of shift lever. |
| Back-Up Lamp Switch (A/T) | On right side of transmission. |
| Back-Up Lamp Switch (M/T) | Below center console. |
| Brake Fluid Level Switch | Left side of engine compartment. |
| Brake Lamp Switch | On brake pedal. |
| Clutch Switch | On bracket, above clutch pedal. |
| Engine Coolant Level Switch | On top center of engine, in front of oil fill cap. |
| Engine Hood Switch | On left rear corner of engine compartment. |
| Inertia Switch | Below left side of rear seat. |
| Jet Heater Thermoswitch | Front left side of engine compartment. |
| Kick-Down Switch (530i/t & 540i) | Under accelerator pedal. |
| Oil Pressure Switch (525i/t) | Front of engine. |
| Oil Pressure Switch (530i/t & 540i) | Lower left front of engine. |
| Park Brake Switch | Under console, at base of parking brake lever. |
| Pressure Switch | Front right side of engine compartment. |
| Radio Anti-Theft Switch | Center of dash. |
| Rear Wiper/Washer Fluid Level Switch | Right side of luggage compartment. |
| Temperature Switch | Top right side of radiator. |
| Washer Fluid Level Switch | Front right side of engine compartment. |
SWITCHES
MISCELLANEOUS
| Component | Component Location |
|---|---|
| Antenna Amplifier (AM/FM) | On left "C" pillar. |
| Anti-Theft Horn | Left rear side of engine compartment. |
| Blower Resistors | On left of plenum. |
| Data Link Connector (530i/t & 540i) | Mounted near electrical box. |
| Daytime Running Lamps Coding Diode | Behind left side of dash. |
| Gradient Monitor | Left front side of luggage compartment. |
| Hifi Amplifier | On left rear side of luggage compartment. |
| Horn/Telephone Jumper Plug | In front power distribution box. (Схема №2) |
| Suppression Filter | In upper right C-pillar. |
| Throttle Flap Heater | Near throttle body. |
| Washer Jet Heater (2) | On underside of engine hood. |
MISCELLANEOUS
CONNECTORS
| Component | Component Location |
|---|---|
| X13 (White, 21 Pin) | At left kick panel. |
| X14 (Yellow, 30 Pin) | At left kick panel. |
| X32 (White, 12 Pin) | At left kick panel. |
| X33 (Black, 12 Pin) | At left kick panel. |
| X72 (White, 6 Pin) | At left kick panel. |
| X113 (Natural, 2 Pin) | Near base of shock tower. |
| X114 (Black, 2 Pin) | Left side of engine compartment. |
| X118 (Black, 2 Pin) | Left front wheelwell. |
| X256 (Black, 26 Pin) | Lower right "A" pillar. |
| X257 (Black, 26 Pin) | Lower left "A" pillar. |
| X273 (Black, 12 Pin) | In front of left rear door. |
| X274 (Black, 12 Pin) | In front of right rear door. |
| X295 (Black, 8 Pin) | Near left kick panel. |
| X337 (Natural, 4 Pin) | Below left rear seat. |
| X351 (Black, 2 Pin) | Right "B" pillar. |
| X352 (Black, 2 Pin) | Left "B" pillar. |
| X711 (Black, 2 Pin) | Under luggage compartment lid. |
| X1171 (Natural, 88 Pin) | Right rear of engine compartment. |
| X6000 (Black, 88 Pin) | Right rear of engine compartment. |
| X6203 (Black, 8 Pin) | Right rear of engine compartment. |
| X6210 (Black, 4 Pin) | Under transmission. |
| X6220 (Black, 8 Pin) | Under transmission. |
| X8500 (Black, 88 Pin) | Right rear of engine compartment. |
| X8600 (Black, 88 Pin) | Right rear of engine compartment. |
| X13025 (Black, 12 Pin) | Below right rear seat. |
CONNECTORS
GROUNDS
| Component | Component Location |
|---|---|
| X165 | At left kick panel. (Схема №1) |
| X166 | Behind right front foglight. |
| X166 (525i/t) | Right front side of engine compartment. |
| X167 | Left front side of engine compartment. |
| X170 | Left side of engine compartment. (Схема №1) |
| X175 | Left front side of engine compartment. |
| X179 | Behind right front foglight. |
| X179 (525i/t) | Right front side of engine compartment. |
| X490 | At left kick panel. (Схема №1) |
| X491 | At left kick panel. (Схема №1) |
| X492 | Under left rear seat. |
| X493 | Under left rear seat. |
| X495 | Under right rear seat. |
| X496 | Under right rear seat. |
| X814 | Behind right front foglight. |
| X818 | At left kick panel. (Схема №1) |
| X862 | Under right rear seat. |
| X1160 | At left kick panel. |
| X1441 | On SRS control module. |
| X6452 | At left side of engine compartment. |
| X6453 | At left side of engine compartment. |
| X6454 | At right rear side of engine compartment. (Схема №1) |
| X6455 | At right rear side of engine compartment. (Схема №1) |
| X6456 | At front of engine. (Схема №1) |
| X8508 | Under right rear seat. |
| X18089 | Under rear seat. |
GROUNDS