Valve Cover: Service and Repair

11 12 000 - Removing and installing/sealing cylinder head cover (M52TU/M54/M56)





Remove engine cover.
Remove ignition coils Service and Repair.
Remove wiring harness of ignition coils from cylinder head cover and place to one side.





Note:
Illustration on M54 engine.

Press lock.
Pull off the hose for the engine breather.





Remove grounding straps (1).
Remove cylinder head cover.





Installation:
Remove sealing debris from sealing faces of cylinder head and cylinder head cover.
Apply a sealing bead of Drei Bond 1209 (refer to BMW Parts Service) on left and right sides at transition between cylinder head and VANOS adjustment unit.





Installation:
Apply a thin and even sealing bead of Drei Bond 1209 (refer to BMW Parts Service) at transition to half-moon sections at VANOS adjustment unit.





Note:
Illustration with engine removed.

Installation:
Apply a thin and even sealing bead of Drei Bond 1209 (refer to BMW Parts Service) at transition to half-moon sections at rear of cylinder head.

Check seals and replace if necessary.





Note:
Illustration with engine removed.

Installation:
Make sure gasket is correctly seated on rear and front ends of cylinder head.
Install cover bolts and align cylinder head cover.
Hand-tighten all cover bolts without preload. Tighten cap nuts crosswise from inside to outside.