Valve Cover: Service and Repair

11 12 000 Removing And Installing/Sealing Cylinder Head Cover (N54, N54T)

Special tools required:







Necessary preliminary tasks:
- Disconnect negative battery cable.
- Remove rod-type ignition coils.
- Unclip injector wiring harness.
- Remove injectors.
- Remove trailing link.
- E90, E91, E92, E93 only: Remove high pressure rail.







Disconnect vacuum lines (2) from vacuum lines (1).
Unclip vacuum lines (1).







Disconnect vacuum lines (1) from vacuum lines (2).
Unclip vacuum line (2) and lay to one side.







Release screw (1) with special tool 11 8 620.







Installation note:
Slotted sleeves (2) for guiding ignition coils in cylinder head cover (1) must be replaced.

Remove slotted sleeves (2).







Release screws (1) on cylinder head cover.







Release screws (1 and 2) along lines.
Tightening torque 11 12 4AZ.







Installation note:
Replace gasket (1).
Press gasket (1) into cylinder head cover.







Assemble engine.