- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Elta Automotive "XLS1337" - Not available
BMW - 3 (E36, WB), 5 (E39, WB), Z3, 7, 8; MERCEDES-BENZ - S-Class, E-Class; AUDI - A6, A4