12 14 524 Replacing pulse generator on exhaust camshaft (S54)

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Turn off ignition.

NOTE: The installation location of the pulse generator for exhaust camshaft is at the rear of the cylinder head on the exhaust side.

Fig 1: Locating Pulse Generator For Exhaust Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

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

Unlock plug (1) and detach from pulse generator.

Release screw on cylinder head.

Remove pulse generator.

Fig 2: Detaching Plug From Pulse Generator

Courtesy of BMW OF NORTH AMERICA, INC.

Installation :

Tightening torque, 12 14 3AZ. Refer to 12 14 ELECTRONIC SHIFT UNITS OR CONTROL UNITS .

Check sealing ring for possible damage, replace if necessary.

NOTE: Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.

Then clear fault memory.