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

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, 2001 BMW 525i, and 2000 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read out fault memory of DME control unit
Switch off ignition
E46, E60, E61 only: Remove reinforcement plate on front axle support.

IMPORTANT: The section Removing and installing reinforcement plate on front axle support contains important installation instructions.

If fitted: Remove vacuum reservoir for exhaust flap. See 11 62 140 REMOVING AND INSTALLING BOTH EXHAUST MANIFOLDS WITH CATALYTIC CONVERTERS (M52TU / M54 / M56)

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

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check stored fault messages.
Now clear the fault memory.