- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893027" - Not available
BMW - 3 (E91, E92), 5, 1 (E81, E87), X3, Z4; MERCEDES-BENZ - CLK, C-Class; AUDI - A4, TT