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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 385 (Engine - Repair (N62)) >> Cylinder Head With Cover >> 11 12 005 Removing And Installing/Sealing Left Cylinder Head Cover (N62/N62TU) >> (Cylinder Bank 5 To 8)

(Cylinder Bank 5 To 8)

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

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: Locating Tank Venting Valve And Cable Holder
G03286044Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Fig 2: Unlocking And Removing Plug
G03286045Courtesy 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 Sensors And Sealing Rings
G03286046Courtesy 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 Cable Duct
G03286047Courtesy 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) .

Unfasten screws.

Remove spacer (3) upwards.

Fig 5: View Of Spacer And Retaining Screws
G03286048Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace sealing ring.

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

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

If necessary, pull out oil dipstick.

Remove cylinder-head cover.

Fig 6: Releasing Screw Connections
G03286049Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Note installation direction of sealing ring (1).

Groove in sealing ring (1) points outwards.

Fig 7: Aligning Groove In Sealing Ring
G03286050Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 8: Installing Sealing Ring Into Cylinder Head Cover
G03286051Courtesy 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 In Groove
G03286052Courtesy 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
G03286053Courtesy 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: Aligning Spark Plug Domes To Cylinder Head Cover
G03286054Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Clean seal residue from sealing surfaces.

Coat contact surfaces of joint with Drei Bond 1209.

Fig 12: View Of Contact Surfaces Of Joint
G03286055Courtesy 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: Locating Transition Area Of Half-Moon Sections
G03286056Courtesy of BMW OF NORTH AMERICA, INC.

Replace sealing elements (1).

Fig 14: Replacing Sealing Elements
G03286057Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Fig 15: Identifying Gasket Seating Position
G03286058Courtesy 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: Left Cylinder Head Cover Bolts Tightening/Loosening Sequence
G03286059Courtesy of BMW OF NORTH AMERICA, INC.
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