Removing and Installing/Sealing Right Cylinder Head Cover

11 12 006 - Removing and installing/sealing right cylinder head cover (N62/N62TU)





(cylinder bank 1 to 4)
Remove design cover Service and Repair
Remove acoustic cover
Remove center of assembly partition wall 51 71 085 Removing and installing center of assembly compartment bulkhead
Remove electronics box cover.
Remove electronics box seal.
These work steps are described in the section Replacing control unit Service and Repair.
Remove ignition coil cover.
Remove intake filter housing Removing and Installing Intake Filter Housing (without raw air housing).
Remove intake hose with air-mass flow sensor





Note:
For purposes of clarity, the following work steps are shown on the engine after it has been removed.





Unlock plug (1) and remove.





Release screws and remove sealing element (2). Remove sensors (3 and 4).

Installation:
Replace sealing element (2).
Replace sealing rings on sensors (3 and 4).





Removing ignition coils.





Release both grounding cables.
Unlock and detach vent hose.
Unclip cable duct (1) and remove cable from holder.





Remove servomotor for right eccentric shaft Removing and Installing/Replacing Servomotor for Right Eccentric Shaft (N62/N62TU).





Unfasten screws.
Remove spacer (3) upwards.
Replace seal.





Remove injection pipe Service and Repair.
Release screw connections (1, 2, 3 and 4).
Remove cylinder-head cover.





Installation:
Note installation direction of sealing ring (1).

Groove in sealing ring (1) points outwards.





Replace sealing ring (1) and press into cylinder head cover until flush.





Installation:
Replace seal (1).
Align gasket (1) loosely in cover groove. Starting at corner radii, secure gasket (1) in cover groove and press into groove so that it is free of tension.

Installation:
Make sure sliding rails are correctly seated when mounting on cylinder head.





Installation:
Replace spark plug domes.
Coat rubber seals on spark plug dome (1) with anti-friction rubber coating.





Installation:
Install spark plug domes in cylinder head.
When fitting cylinder head cover:
Align spark plug domes to cylinder head cover.





Installation Note:
Clean seal residue from sealing surfaces.
Coat contact surfaces of joint with Drei Bond 1209 (refer to BMW Parts Service).





Installation:
Clean seal residue from sealing surfaces.
Apply a thin, uniform bead of Drei Bond 1209 sealing agent (refer to BMW Parts Service) to transition area of half-moon sections.





Replace sealing elements (1).





Installation:
Make sure gasket is correctly seated at sides and on rear side of cylinder head.





Installation:
Screw connections (1, 2, 3 and 4) of cylinder head cover are different.
Replace screw connections (3).
Move cylinder head cover with gasket into assembly position.
Secure cylinder head cover, starting with screw connection (4) from front.

Tighten down screw connections (1, 2 and 3) in diagonal sequence from inside to outside.