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

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 tanks. 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)

G09919471

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation note:

Replace seal (2) .

Fig 2: Identifying Sealing Surface And Seal

G09919472

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace profile seal of cylinder head cover .

Installation note:

It is important to join screw (1) for exact positioning of the camshaft sensors.

Fig 3: Identifying Screws

G09919473

Courtesy of BMW OF NORTH AMERICA, INC.

Fit cylinder head cover.

Position screw (1).

Release screw (1) by 90°.

Fig 4: Identifying Screw

G09919474

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)

G09919475

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.