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

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required

11 4 470

Necessary preliminary tasks:

Remove ACOUSTIC COVER
Disconnect NEGATIVE BATTERY TERMINAL
Remove left CHARGE AIR COOLER
Remove INTAKE FILTER 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.

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 note:

Replace gasket (2).

Fig 2: Identifying Gasket And Sealing Surface

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Renew profile seal of cylinder head cover.

Fig 3: Identifying Cylinder Head Cover With Profile Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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 Cylinder Head Cover 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.