Removing and Installing/Sealing Left Cylinder Head Cover

11 12 005 Removing and installing/sealing left cylinder head cover (N63 hybrid)

Special tools required:





Warning!
High-voltage system - danger to life!





Necessary preliminary tasks:
^ Clamp off battery negative terminal

^ Remove left intercooler
^ Remove intake silencer housing
^ Remove expansion tank.
^ Remove coolant pipe from cylinder head cover (E71 only)
^ Remove coolant valve for heater feed line
^ Disconnect fuel feed line
^ Detach wiring harness for injectors and lay to one side
^ Remove ignition coils, cylinders 5-8
^ Remove injectors, cylinders 5-8
^ Remove high-pressure pump





Release bolts in sequence (17 to 1).

Remove cylinder head cover.





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

Installation:
Replace seal (2).





Installation:
Renew profile seal of cylinder head cover.





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°.





Secure cylinder head cover in sequence (1 to 17) in two work steps.

Tightening torque 11 12 3AZ.





Assemble engine.