12 14 521 Replacing pulse generator on crankshaft

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW X5, 2006 BMW X3, 2005 BMW X5, 2005 BMW X3, and 2004 BMW X5. 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

If fitted:
Remove vacuum reservoir for exhaust flap.

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.

Fig 1: Removing Pulse Generator

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew bolt (2).

Remove pulse generator (3).

NOTE: Check stored fault messages.

Now clear the fault memory.