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

Remove engine cover. See Figure

Remove ignition coils, refer to 12 13 511 REPLACING IGNITION COIL (M52, M52TUS52, S50US, M54) .

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: Removing Engine Breather Hose

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Remove grounding straps (1).

Remove cylinder head cover, refer to 11 12 000 REMOVING AND INSTALLING, SEALING CYLINDER HEAD COVER (M52TU/M54/M56) .

Fig 2: Removing Grounding Straps & Cylinder Head Cover

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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: Locating Transition Between Cylinder Head And VANOS Adjustment Unit To Add Sealing Compound

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

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 rear of cylinder head.

Check seals and replace if necessary.

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

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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: Installing Cylinder Head Cover

Courtesy of BMW OF NORTH AMERICA, INC.