- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-451" - Not available
BMW - 5 (E39, F10, WB), 1, X3, X1, 3; MERCEDES-BENZ - C-Class, E-Class; MINI - Cooper, Clubman; PEUGEOT - 308, RCZ