BMW Ignition Knock (Detonation) Sensor

Original price was: $125.99.Current price is: $88.19.

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Product Details

This little device is insanely important for keeping your engine safe. It will detect irregular vibrations from your engine such as deadly rod knock or any other fatal issues. A malfunctioning knock sensor can cause the PCM to wrongly adjust the ignition timing, resulting in inadequate engine performance.

Prop 65 Warning