- 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 "LS140185" - Not available
BMW - 3 (E46, WB), 5 (E39, WB), Z3, 7, X5; AUDI - A6, A4; FERRARI - 5 Maranello, 550 Barchetta