This FEBI BILSTEIN crankshaft position sensor, part number 109422, is designed to accurately monitor the rotational speed and position of the crankshaft. This vital information is transmitted to the engine control unit (ECU) to precisely manage ignition timing and fuel injection. Ensuring proper engine performance and fuel efficiency, a reliable crankshaft position sensor is crucial for the smooth operation of your vehicle. FEBI BILSTEIN is known for producing high-quality components that meet or exceed original equipment specifications. This sensor is a direct fit for compatible models, making installation straightforward for mechanics and DIY enthusiasts alike. Its robust construction is built to withstand the demanding conditions within the engine bay, offering long-lasting durability.