- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21270-12B1" - Not available
BMW - X1, X2, 1, 5, 3, X3, 6 Gran Turismo, X4, 7, X5, 4, X7, X6, 2, 8; MINI - Cooper, Countryman, Clubman