11 12 006 Removing and installing/sealing right cylinder head cover (N74)

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Necessary preliminary tasks:

Remove ACOUSTIC COVER
Clamp off battery NEGATIVE TERMINAL
Remove INTERCOOLER .
Remove INTAKE AIR MANIFOLD
Remove IGNITION COILS on right
Remove FUEL RAIL
Detach wiring harness for injectors and lay to one side
Remove H.P. PUMP.

Release bolts in sequence (25 to 1).

Fig 1: Cylinder Head Cover Bolts Tightening/Loosening Sequence

G08469135

Courtesy of BMW OF NORTH AMERICA, INC.

Remove cylinder head cover.

Clean sealing surface (1) with special tool 11 4 470 .

Installation:

Replace seal (2) .

NOTE: Graphics show N63.

Fig 2: Identifying Cylinder Head Cover Sealing Surface And Seal

G06178396

Courtesy of BMW OF NORTH AMERICA, INC.

Apply thin coating of DREI BOND 1209 sealing compound on left and right contact points on gear case cover.

Fig 3: Identifying Drei Bond Applying Area

G08469137

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace profile seal (1) on cylinder head cover .

Fig 4: Identifying Cylinder Head Cover Profile Seal

G08469132

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

It is important to join screw (1) for exact positioning of the camshaft sensors.

Fit cylinder head cover.

Position screw (1).

Release screw (1) by 90°.

NOTE: Graphics show N63.

Fig 5: Identifying Cylinder Head Cover Screw

G06178398

Courtesy of BMW OF NORTH AMERICA, INC.

Secure cylinder head cover in sequence (1 to 25) in two work steps.

Tightening torque: see 3AZ in 11 12 CYLINDER HEAD WITH CYLINDER HEAD COVER

Fig 6: Cylinder Head Cover Bolts Tightening/Loosening Sequence

G08469135

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Installation:

Change over all sensors when replacing cylinder head cover.