- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Denso "DOX-2039" - Not available
BMW - 5 (E39, WB), 6, 7 (F01, F02, F03), X6, 3; MERCEDES-BENZ - CLK, C-Class; AUDI - A4, TT; ALFA ROMEO - 156, 166