12 14 1 738 667: Knock sensor for BMW Series 5 E34 525i/ix M50

This knock sensor is designed for the BMW Series 5 E34, in Saloon and Touring versions equipped with the 525i/ix M50 engine. It ensures the detection of abnormal detonations in the engine to allow the management unit to correct the ignition timing in real time. As part of the restoration or maintenance of a classic vehicle, its replacement is essential for proper operation and preservation of the powertrain. Please note: two sensors are required per vehicle, this product being sold as a single unit.