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

Remove engine cover.

Remove ignition coils.

Detach ignition coil wiring harness from cylinder head cover and lay to one side.

Note:

Illustration shows M54 engine.


Press lock.

Pull off the hose for the engine ventilation.

Remove ground straps (1).

Remove cylinder head cover.

Installation note:

Remove all sealing remnants from sealing surfaces of cylinder head and cylinder head cover.

Apply a sealing bead of Drei Bond 1209 sealing agent (see BMW Parts Department) on left and right on transition between cylinder head and VANOS unit.


Installation note:
Apply a thin, uniform sealing bead of Drei Bond 1209 sealing agent (refer to BMW Parts Department) to transition area to half-moon sections on Vanos unit.
Note:

Illustration with engine removed.


Installation note:

Apply a thin, uniform sealing bead of Drei Bond 1209 sealing agent (refer to BMW Parts Department) to transition area to half-moon sections on rear cylinder head.


Check gaskets and replace if necessary.
Note:
Illustration with engine removed.
Installation note:

Make sure gasket is correctly fitted at front and rear face of cylinder head.

Mount cover screws and align the cylinder head cover.

Mount all cover screws without preload. Tighten cap nuts in diagonal sequence from inside outwards.

Tightening torque 11 12 1AZ.


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