- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893122" - Not available
BMW - 3, 5, 1, 4, 2; AUDI - A4, A3; MAZDA - MX-5 (NA, NB); ALFA ROMEO - 159, 156; BENTLEY - Continental