Oxygen, Lambda Sensor Exhaust Oxygen Sensor (O2 Sensor) Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture Sando "SSN75T40.1" - Not availableBMW - 5 (E39, WB), 7 (E65, E66, E67), 6, 3, 1; IVECO - Daily; CITROËN - Jumpy, DS3