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11 12 005 Removing and installing/sealing left cylinder head cover (N62/N62TU)

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

(Cylinder Bank 5 To 8) 

Remove design cover.

Remove acoustic cover.

Remove center engine compartment partition wall.

Remove ignition coil cover.

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

Unclip cable holder (1) with cables.

Pull tank venting valve (2) off holder.

Fig 1: View Of Cable Holder With Cables
G03269343Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Fig 2: Unlocking And Removing Plugs
G03269344Courtesy of BMW OF NORTH AMERICA, INC.

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 3: Identifying Sealing Element And Sensors
G03269345Courtesy of BMW OF NORTH AMERICA, INC.

Removing ignition coils.

Release both grounding cables.

Unlock and detach vent hose.

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

Fig 4: Locating Grounding Cables
G03269346Courtesy of BMW OF NORTH AMERICA, INC.

Remove servomotor for left eccentric shaft. Refer to 11 37 022 REMOVING AND INSTALLING/REPLACING SERVOMOTOR FOR LEFT ECCENTRIC SHAFT (N62/N62TU) .

Unfasten screws.

Remove spacer (3) upwards.

Installation: 

Replace sealing ring.

Fig 5: View Of Spacer Retaining Screws
G03269347Courtesy of BMW OF NORTH AMERICA, INC.

Remove injection pipe. Refer to 13 53 240 REPLACING COMPLETE INJECTION PIPE (N62, N62TU) .

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

If necessary, pull out oil dipstick.

Remove cylinder head cover.

Fig 6: Locating Screw Connections
G03269348Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Note installation direction of sealing ring (1).

Groove in sealing ring (1) points outwards.

Fig 7: Identifying Groove In Sealing Ring
G03269349Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 8: View Of Sealing Ring In Cylinder Head Cover
G03269350Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 9: Aligning Gasket Loosely In Cover Groove
G03269351Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace Spark Plug Domes:  .

Coat rubber seals on spark plug dome (1) with anti-friction rubber coating.

Fig 10: Identifying Spark Plug Dome
G03269352Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Install spark plug domes in cylinder head.

When Fitting Cylinder Head Cover: 

Align spark plug domes to cylinder head cover.

Fig 11: Installing Spark Plug Domes In Cylinder Head
G03269353Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Clean seal residue from sealing surfaces.

Coat contact surfaces of joint with Drei Bond 1209.

Fig 12: Locating Contact Surfaces Of Joint
G03269354Courtesy of BMW OF NORTH AMERICA, INC.

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 13: View Of Transition Area Of Half-Moon Sections
G03269355Courtesy of BMW OF NORTH AMERICA, INC.

Replace sealing elements (1).

Fig 14: Replacing Sealing Elements
G03269356Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Fig 15: View Of Gasket In Cylinder Head
G03269357Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Replace screw connections (3).

Insert screw connections (1, 2 and 3) without pretension and align cover.

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

Fig 16: Identifying Cylinder Head Cover Screw Connections
G03269358Courtesy of BMW OF NORTH AMERICA, INC.
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