- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B531" - Not available
BMW - 3 (E46, WB), 5, 1, 4 (F32, F33, F82), X3; AUDI - A3, TT; ALFA ROMEO - 159, Giulietta