11 12 004 Removing and installing/sealing both cylinder head covers (M62)

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Instructions for disconnecting and connecting battery,

refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .

Disconnect battery negative terminal.

Remove heater bulkhead,

refer to 51 71 080 REMOVING AND INSTALLING/REPLACING HEATER BULKHEAD .

Turn fasteners on acoustic cover 90° counterclockwise, remove acoustic cover.

Fig 1: Removing Acoustic Cover

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Release bellows on throttle. Remove upper section of suction filter housing with mass air flow sensor. Remove lower section of suction filter housing.

Detach battery positive lead from support point on firewall. Feed out battery positive lead and lay to one side.

Cylinder head cover of cylinder bank 1 to 4:

Fig 2: Removing Cylinder Bank 1-4 Cylinder Head Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Remove washer fluid reservoir.

Cylinder head cover of cylinder bank 5 to 8:

Unclip water hoses from holder on heater valve and press to one side.

NOTE: Water pipes remain connected.

NOTE: Vent line for front axle differential and positive lead is laid under cover of ignition coils.

Vent Line For Front Axle Differential
Positive Lead

Fig 3: Identifying Vent Line And Positive Lead

Courtesy of BMW OF NORTH AMERICA, INC.

Remove ignition coils,

refer to 12 13 511 in IGNITION COIL .

Cylinder bank 5 to 8:

Detach vent hose (1) from cylinder head cover.

Fig 4: Detaching Vent Hose From Cylinder Head Cover

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Unfasten left and right cable ducts and fold inwards.

Fig 5: Unfastening Left And Right Cable Ducts

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Unfasten retaining elements on left and right sides.

Fig 6: Unfastening Cylinder Head Cover Retainers

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Fig 7: Layout Of Retaining Elements

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Installation:

Check seal, replace if necessary.

Coat outer and inner grooves and sealing face of cylinder head cover all round with anti-friction rubber coating, e.g. glycerine.

Press internal gasket into groove in cover without torsional stress, starting at the four corner radii.

Fig 8: Installing Cylinder Head Cover Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Align outer gasket loosely on groove in cover. Secure gasket in groove in cover, starting in the corner radii at the back (1) and locate without torsional stress in the groove.

Fig 9: Aligning Cylinder Head Cover Gasket At Corner