The flywheel sensor monitors the rotational speed of the flywheel and transmits this data to the ECU/DME, which uses it to optimize engine performance. A faulty flywheel sensor can lead to rough running or prevent the engine from starting altogether.
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NOTE: Does not include o-ring seal - see BMW # 12141748398 This is the crankshaft position sensor. It provides information for the ECU. A faulty sensor can cause issues with timing adjustment and limit performance and vehicle operation. Replace your sensor with a high-quality Hitachi sensor to restore peak performance.
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