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

Remove engine cover.

Remove ignition coils.

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

Press lock.

Pull off the hose for the engine breather.

Fig 1: Pulling Off Hose For Engine Breather

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Remove grounding straps (1).

Remove cylinder head cover.

Fig 2: Removing Grounding Straps

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Installation: 

Remove sealing debris from sealing faces of cylinder head and cylinder head cover.

Apply a sealing bead of Drei Bond 1209 on left and right sides at transition between cylinder head and VANOS adjustment unit.

Fig 3: Removing Sealing Debris From Sealing Faces Of Cylinder Head And Cylinder Head Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Apply a thin and even sealing bead of Drei Bond 1209 at transition to half-moon sections at VANOS adjustment unit.

Fig 4: Applying Sealing Bead At Transition To Half-Moon Sections At VANOS Adjustment Unit

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Installation: 

Apply a thin and even sealing bead of Drei Bond 1209 at transition to half-moon sections at rear of cylinder head.

Check seals and replace if necessary.

Fig 5: Applying Sealing Bead At Transition To Half-Moon Sections At Rear Of Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 6: Checking Gasket On Rear And Front Ends Of Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.