The Ignition Pulse Sensor, also known as the crankshaft position sensor, is a vital component in your BMW's engine management system. It accurately monitors the rotational speed and position of the crankshaft, transmitting this crucial data to the engine control unit (ECU). This information allows the ECU to precisely determine ignition timing and fuel injection, ensuring your engine runs smoothly and efficiently. A failing or faulty ignition pulse sensor can lead to a range of issues, including difficult starting, rough idling, misfires, reduced power, and even complete engine stalling. Replacing a worn sensor is essential to maintain your vehicle's performance and prevent further complications. This genuine BMW part (12121721775) is engineered to meet the exact specifications and quality standards of your vehicle. Designed for a perfect fit and seamless integration, it restores the integrity of your engine's timing system, ensuring reliable operation and longevity. Invest in the reliability of a genuine BMW component. Replacing your ignition pulse sensor with this OEM part will restore your engine's optimal timing, improve fuel economy, and ensure consistent, dependable performance for miles to come.
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