- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Bugiad "54073" - Not available
VW - Golf, Caddy, Jetta, Touran; SEAT - Leon, Altea; AUDI - A3, A4; BMW - 3, 5; SKODA - Octavia