BMW X5 Owners & Service Manuals

BMW X5: Removing And Installing/Sealing Left Cylinder Head Cover (N62/N62TU)

BMW X5 (G05) 2019-2024 Service & Repair Manual / Engine / Engine (N62TU V8) / Cylinder Head With Cover / Removing And Installing/Sealing Left Cylinder Head Cover (N62/N62TU)

(cylinder bank 5 to 8)

Necessary preliminary tasks:

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.

Cylinder Head With Cover
Fig. 28: Identifying Cable Holder And Cables Tank Venting Valve

Unlock plug (1) and remove.

Cylinder Head With Cover
Fig. 29: Identifying Plug

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).

Cylinder Head With Cover
Fig. 30: Locating Sealing Rings, Sensors And Sealing Element

Removing ignition coils.

Release both grounding cables.

Unlock and detach vent hose.

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

Cylinder Head With Cover
Fig. 31: Locating Cable Duct

Remove servomotor for left eccentric shaft.

Unfasten screws.

Remove spacer (3) upwards.

Installation:

Replace sealing ring.

Cylinder Head With Cover
Fig. 32: Locating Sealing Ring

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

If necessary, pull out oil dipstick.

Remove cylinder head cover.

Cylinder Head With Cover
Fig. 33: Identifying Screw Connections

Installation:

Note installation direction of sealing ring (1).

Groove in sealing ring (1) points outwards.

Cylinder Head With Cover
Fig. 34: Identifying Sealing Ring

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

Cylinder Head With Cover
Fig. 35: Identifying Sealing Ring Into Cylinder Head Cover

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.

Cylinder Head With Cover
Fig. 36: Locating Seal

Installation:

Replace spark plug domes.

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

Cylinder Head With Cover
Fig. 37: Identifying Spark Plug Domes

Installation:

Install spark plug domes in cylinder head.

When fitting cylinder head cover:

Align spark plug domes to cylinder head cover.

Cylinder Head With Cover
Fig. 38: Installing Spark Plug Domes In Cylinder Head

Installation:

Clean seal residue from sealing surfaces.

Coat contact surfaces of joint with Drei Bond 1209.

Cylinder Head With Cover
Fig. 39: Locating Seal Residue From Sealing Surfaces

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.

Cylinder Head With Cover
Fig. 40: Locating Transition Area Of Half-Moon Sections

Replace sealing elements (1).

Cylinder Head With Cover
Fig. 41: Identifying Sealing Elements

Installation:

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

Cylinder Head With Cover
Fig. 42: Locating Gasket Correctly Seated On Rear Side Of Cylinder Head

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.

Cylinder Head With Cover
Fig. 43: Identifying Screw Connections

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