- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FEBI Bilstein "33669" - Not available
AUDI - A4, A3, A6, A8, Cabriolet; BMW - 3, 5; VW - Passat; HYUNDAI - Accent, Coupe; FORD - Escort, Galaxy