Oxygen sensors are vital for your engine to run correctly. They let the engine computer know how much fuel and air to mix to keep you running smoothly. Replace O2 sensor with this OE replacement.
Replaces BMW PNs:
Fitment:
318i
1992-1995 (4)
Oxygen Sensor
318is
1992-1995 (4)
Oxygen Sensor
318ti
1995 (1)
Oxygen Sensor
325i
198...
Reviews
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Couldn’t find the four wire sensor anywhere else. My E30 definitely needed it. Instant difference in engine idle and performance.