- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20554-12B1" - Not available
BMW - 3, 5, 1, 6, 7 (E65, E66, E67), X3, X5, 4, X1, X6, 2; CITROËN - DS3, C4, C5, Berlingo, C3, DS4, DS5, Jumper, C-Elysee