- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77408" - Not available
BMW - 5, 3, 6, 7 (E65, E66, E67), 1, X3, X1, X5, Z4, X6; MERCEDES-BENZ - C-Class, CLK, E-Class, CLS, R-Class, M-Class