- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RECOFICIAL "CSL2243" - Not available
BMW - 3 (E91, E92), 1 (E81, E87), 5 (E39, F10, WB), 7 (F01, F02, F03), X1; MINI - Cooper, Countryman; AUDI - R8