- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NGK "90792" - Not available
BMW - 3 (E91, E92), 5 (E39, WB), 1 (E81, E87), 6, Z4; MERCEDES-BENZ - Sprinter 3.5-T, C-Class; AUDI - A4, A5