Knock / Ping Sensor, VDO - E46, E39, E60, E83, E53, E85

This part is listed by BMW as BMW part number 13627568422 and is described as a ping or knock sensor for BMW E46, E39, E83, E53, E85 models with the M52TU, M54, or M56 6-cylinder engine.

The knock sensor (or ping sensor) is an acoustic sensor mounted to the side of the engine block. It listens for a distinctive "ping" sound when engine detonation/misfires occur. If enough misfires are detected the ECU immediately makes adjustments for one or more cylinders to avoid engine damage. A failing knock sensor will trip the check engine light and fault code.

This is an OEM knock sensor manufactured by Continental VDO - the original supplier to BMW for this part, as well as many other sensors. As the OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

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