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

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Special tools required:

11 4 470 .

Necessary preliminary work

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)

G06178389

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

G06178390

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace profile seal of cylinder head cover.

Fig 3: Identifying Cylinder Head Cover With Profile Seal

G06178391

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

G06178392

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)

G06178389

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.