BMW Crankshaft Position Sensor - 12141247622 318i, 318is, 318ti, Z3

MFG Numbers 9418200

The crankshaft position sensor monitors the speed at which the crankshaft turns. Correct readings are a must for the computer to accurately adjust spark timing. If your sensor fails or is giving inaccurate and inconsistent readings, this will result in poor performance and fuel economy. Manufactured by Vemo.