11 12 006 Removing And Installing/Sealing Right Cylinder Head Cover (N62/N62TU)

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 750i, 2008 BMW 750Li, and 2008 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.

(cylinder bank 1 to 4)

Remove design cover

Remove acoustic cover

Remove centre of assembly partition wall

Remove electronics box cover.

Remove electronics box seal.

These work steps are described in the section REPLACING CONTROL UNIT .

Remove ignition coil cover.

Remove intake filter housing (without raw air housing).

Remove intake hose with air-mass flow sensor

NOTE:

For purposes of clarity, the following work steps are shown on the engine after it has been removed.

Unlock plug (1) and remove.

Fig 1: Identifying Plug

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Release screws and remove sealing element (2).

Remove sensors (3 and 4).

Installation:

Replace sealing element (2).

Replace sealing rings on sensors (3 and 4).

Fig 2: Identifying Sealing Element, Sensors And Sealing Rings

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Removing ignition coils.

Release both grounding cables.

Unlock and detach vent hose.

Unclip cable duct (1) and remove cable from holder.

Fig 3: Identifying Cable Duct

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Remove SERVOMOTOR FOR RIGHT ECCENTRIC SHAFT .

Unfasten screws.

Remove spacer (3) upwards.

Replace seal.

Fig 4: Identifying Spacer

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Remove INJECTION PIPE .

Release screw connections (1, 2, 3 and 4).

Remove cylinder-head cover.

Fig 5: Identifying Screws

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Installation:

Note installation direction of sealing ring (1).

Groove in sealing ring (1) points outwards.

Fig 6: Identifying Sealing Ring

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Replace sealing ring (1) and press into cylinder head cover until flush.

Fig 7: Identifying Sealing Ring

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Installation:

Replace seal (1).

Align gasket (1) loosely in cover groove. Starting at corner radii, secure gasket (1) in cover groove and press into groove so that it is free of tension.

Installation:

Make sure sliding rails are correctly seated when mounting on cylinder head.

Fig 8: Identifying Gasket

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Installation:

Replace spark plug domes.

Coat rubber seals on spark plug dome (1) with antifriction rubber coating.

Fig 9: Identifying Spark Plug Dome

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Installation:

Install spark plug domes in cylinder head.

When fitting cylinder head cover:

Align spark plug domes to cylinder head cover.

Fig 10: Installing Spark Plug Domes In Cylinder Head

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Installation:

Clean seal residue from sealing surfaces.

Coat contact surfaces of joint with Drei Bond 1209.

Fig 11: Locating Sealing Surface

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Installation:

Clean seal residue from sealing surfaces.

Apply a thin, uniform bead of Drei Bond 1209 sealing agent to transition area of half-moon sections.

Fig 12: Locating Sealing Surface

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Replace sealing elements (1).

Fig 13: Identifying Sealing Element

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Installation:

Make sure gasket is correctly seated at sides and on rear side of cylinder head.

Fig 14: Locating Gasket Seated Position

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Installation:

Screw connections (1, 2, 3 and 4) of cylinder head cover are different.

Replace screw connections (3).

Move cylinder head cover with gasket into assembly position.

Secure cylinder head cover, starting with screw connection (4) from front.

Tighten down screw connections (1, 2 and 3) in diagonal sequence from inside to outside.

Fig 15: Identifying Screws

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