12 14 521 Replacing pulse generator on crankshaft (M54/M56)

Necessary Preliminary Tasks:

All models:

NOTE: Installation location of pulse generator for crankshaft is underneath starter motor.

NOTE: For a better overview, this work step is shown on an engine that has been removed.

Unlock plug (1) and remove.

Unscrew bolt (2).

Remove pulse generator (3).

Fig 1: Removing Pulse Generator On Crankshaft (M54/M56)

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NOTE: Check stored fault messages.

Now clear the fault memory.