Engine Sensors & Switches: Sensors
WARNING: This page does not describe the selected car, but rather 34 other vehicles, including the 2001 BMW Z8, 2001 BMW Z3, 2001 BMW X5, 2001 BMW M5, and 2001 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
For sensor and switch location, see ENGINE SENSORS & SWITCHES table.
ENGINE SENSORS & SWITCHES
| Application | Location | ||
|---|---|---|---|
| 6-Cylinder (Z3) | |||
| Camshaft Position Sensor | On Front Of Engine | ||
| Coolant Temperature Sensor | On Front Of Engine | ||
| Crankshaft Position Sensor | |||
| "M" Version | Rear Left Side Of Engine Compartment | ||
| Z3 Version | On Front Of Engine | ||
| Dual Temperature Sensor (Coolant Temperature) | In Rear Of Engine Compartment | ||
| Evaporator Temperature Sensor | On Right Side Of Left Footwell | ||
| Hot Film Air Mass Meter | Left Side Of Engine Compartment | ||
| Intake Air Temperature Sensor | |||
| "M" Version | Front Left Side Of Engine Compartment | ||
| Z3 Version | Rear Left Side Of Engine Compartment | ||
| Fuel Tank Pressure Sensor | Under Rear Storage Compartment | ||
| Heated Oxygen Sensor No. 1 | Front Of Catalytic Converter | ||
| Heated Oxygen Sensor No. 2 | Rear Of Catalytic Converter | ||
| Knock Sensors | |||
| "M" Version | On Left Side Of Engine | ||
| Z3 Version | On Top Front Of Engine | ||
| 6-Cylinder (Except Z3) | |||
| Camshaft Position Sensor No. 1 | On Front Left Side Of Engine | ||
| Camshaft Position Sensor No. 2 | On Front Right Of Engine | ||
| Coolant Temperature Sensor | On Left Rear Side Of Engine, Under Exhaust Manifold | ||
| Crankshaft Position Sensor | On Left Rear Side Of Engine, Under Exhaust Manifold | ||
| Heated Oxygen Sensor No. 1 | On Right Side Of Engine | ||
| Heated Oxygen Sensor No. 2 | On Lower Right Side Of Engine | ||
| Hot Film Mass Airflow Sensor | |||
| 3-Series | On Left Side Of Engine, In Air Intake | ||
| 5-Series | Lower Right Side Of Engine Front | ||
| Intake Air Temperature Sensor | Under Engine Cover, On Top Center Of Engine | ||
| Knock Sensors | At Rear Of Engine Under Exhaust Manifold | ||
| Oil Temperature Sensor | On Front Left Side Of Engine, Behind Oil Filter Housing | ||
| RPM Sensor | |||
| 3-Series | Under Driver's Seat Carpet | ||
| 5-Series | Left Side Of Left Footwell, Under Carpet | ||
| Transverse Acceleration Sensor | On Left Side Of Left Footwell | ||
| V8 | |||
| Crankshaft Position Sensor | On Right Side Of Transmission | ||
| Heated Oxygen Sensor No. 1 In Front Of Catalytic Converter | Next To Left Side Of Transmission | ||
| Heated Oxygen Sensor No. 2 In Front Of Catalytic Converter | Next To Right Side Of Transmission | ||
| Heated Oxygen Sensor No. 1 Behind Catalytic Converter | In Center Of Exhaust System | ||
| Heated Oxygen Sensor No. 2 Behind Catalytic Converter | In Center Of Exhaust System | ||
| Hot Film Air Mass Meter | Lower Right Side Of Engine Front | ||
| RPM Sensor | Left Side Of Left Footwell, Under Carpet | ||
| V12 | |||
| Crankshaft Position Sensors No. 1 & 2 | Under Center Of Vehicle, On Transmission | ||
| Dual Temperature Switch | On Front Of Engine | ||
| Heated Oxygen Sensor No. 1 In Front Of Catalytic Converter | Under Right Center Of Vehicle | ||
| Heated Oxygen Sensor No. 2 In Front Of Catalytic Converter | Under Left Center Of Vehicle | ||
| Heated Oxygen Sensor No. 1 Behind Catalytic Converter | Under Center Of Car | ||
| Heated Oxygen Sensor No. 2 Behind Catalytic Converter | Under Center Of Car | ||
| Knock Sensors | Top Center Of Engine | ||
| Mass Airflow Sensor | On Left Side Of Engine, In Air Intake | ||