11 12 000 Removing and installing, sealing/replacing cylinder head cover (M57TU)

Necessary preliminary tasks

Remove fan with fan cowl.
Remove acoustic cover.
Remove air filter.
Remove center of front wall.
Remove intake air manifold.
Remove all injectors.

IMPORTANT: Protect alternator against engine oil.
Cover alternator with suitable apparatus (risk of damage) .
Fit charge air hoses dry and without grease.

Release screws (1).

Remove suction pipe in direction of arrow.

NOTE: Illustrations show M57.

Fig 1: Removing Suction Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Release all bolts (arrows).

Release bolts (1) from outside to inside.

Remove cylinder head cover (3).

Installation:

First tighten bolts (1) from inside to outside. Tighten down outer bolts diagonally and evenly.

Remove bolts (arrows).

Fig 2: Locating Cylinder Head Cover Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Replace profile gaskets (1).

Clean sealing surface to remove all gasket remnants.

Fig 3: Identifying Profile Gaskets And Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Remove gasket debris from sealing faces (2) of cylinder head and clean.

Apply a bead of Drei Bond 1209 sealing compound, approx. 3 mm wide and 2 mm high, in area of joints (1).

NOTE: Illustrations show M57.

Fig 4: Identifying Cylinder Head Sealing Faces

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.