12 14 524 Replacing Pulse Generator On Exhaust Camshaft (S54)

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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: Identifying Installation Location Of 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: Unlocking Plug And Detaching From Pulse Generator

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, refer to 12 14 3AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

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.