- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893281" - Not available
BMW - 3 (E91, E92), 1 (E81, E87), 5, 6, 7; MERCEDES-BENZ - C-Class, A-Class; CITROËN - DS3, C4