Sending Units & Sensors
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. |