Sending Units & Sensors
WARNING: This page is about a different car, the 1999 BMW Z3, 1999 BMW M Roadster, and 1999 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
SENDING UNITS & SENSORS
| Component | Component Location |
|---|---|
| ABS Speed Sensors | On each wheel above brake caliper. |
| Auxiliary Throttle Position Sensor | On throttle body. |
| Brake Pad Sensor (Left Front) | On left front wheel, above brake caliper. |
| Brake Pad Sensor (Right Rear) | Behind right rear wheel. |
| Camshaft Position Sensor (Cylinder Identification) | On front of engine. See Figure . |
| Camshaft Position Sensor 1 (Inlet) | On front of engine. |
| Camshaft Position Sensor 2 (Outlet) | On front of engine. |
| Crankshaft Position/RPM Sensor (2.5L) | On front of engine. |
| Crankshaft Position/RPM Sensor (2.8L) | On front of engine. |
| Crankshaft Position/RPM Sensor (3.2L) | On left rear side of engine. |
| Dual Temperature Sensor (Coolant Temperature) | On left front of engine, below intake manifold. See Figure . |
| Engine Coolant Temperature Sensor | On front of engine. See Figure . |
| Evaporator Temperature Sensor | On right side of left footwell. |
| Fuel Sensor | In fuel tank. |
| Fuel Tank Pressure Sensor | Under rear storage compartment. |
| Hall Effect Camshaft Sensor | On front of engine. |
| Hot Film Air Mass Meter | On left side of engine compartment, on air intake tube. |
| Intake Air Temperature Sensor (2.5L) | On left side of engine compartment. See Figure . |
| Intake Air Temperature Sensor (2.8L) | On left side of engine compartment. See Figure . |
| Intake Air Temperature Sensor (3.2L) | On left side of engine compartment. |
| Knock Sensor (2.5L) | On left side of engine. |
| Knock Sensor (2.8L) | On left side of engine. |
| Knock Sensor (3.2L) | On top front of engine. |
| Oil Temperature Sensor | On right side of oil filter. |
| On-Board Computer Temperature Sensor | In right side of front bumper. |
| Oxygen Sensor (Front) | Under center of car, in front of catalytic converter. |
| Oxygen Sensor (Rear) | Under center of car, behind catalytic converter. |
| Oxygen Sensor I (2) (Front & Rear) | On catalytic converter. |
| Oxygen Sensor II (2) (Front & Rear) | On catalytic converter. |
| Seat Occupancy Detector | Under right front seat. |
| Throttle Position Sensor | On throttle body. See Figure . |
| Vehicle Speed Sensor | On differential. |