- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Calorstat by Vernet "LS140696" - Not available
BMW - 3 (E91, E92), 5, 1 (E81, E87), 6, 7 (F01, F02, F03), X6, X3, X5, X1, Z4; ROLLS-ROYCE - Ghost, Dawn, Wraith