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

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 4 470

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. See COOLANT EXPANSION TANK and INTERCOOLER 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.

Fig 1: Left Cylinder Head Cover Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

Replace seal (2).

Fig 2: Identifying Sealing Surface

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Renew profile seal of cylinder head cover.

Fig 3: Identifying Seal Applying Area On Cylinder Head Cover

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°.

Fig 4: Identifying Camshaft Sensors Join Screw

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque 11 12 3AZ .

Fig 5: Left Cylinder Head Cover Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.