- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LEMARK "LLB560" - Not available
BMW - 7 (E65, E66, E67), X5, 3, 5, 1; AUDI - A4, A3; ALFA ROMEO - 156, Spider; CITROËN - C5, C4