11 14 085 Removing and installing timing case cover, top right (S62)

WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.

Release screw on dipstick guide tube.

Fig 1: Releasing Dipstick Guide Tube

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Disconnect plug connection to check valve. Detach vacuum hose (1) from check valve.

Detach secondary air line (2) on timing case cover, top left and right.

Detach secondary air line (2) from holder and remove.

Fig 2: Identifying Vacuum Hose And Secondary Air Line

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Installation:

Clean sealing surfaces on cylinder head. Replace left and right sealing rings on secondary air line (2) and apply a thin coat of grease as lubricant.

Remove right cylinder head cover. These tasks are described in the work step Removing and installing/sealing both cylinder head covers.

Refer to 11 12 004 REMOVING AND INSTALLING/SEALING BOTH CYLINDER HEAD COVERS (S62) .

Remove fan clutch with impeller, refer to 11 52 020 Removing and installing or replacing fan clutch (S62) .

Remove piston for chain tensioner, refer to 11 31 090 REMOVING AND INSTALLING/REPLACING PISTON FOR CHAIN TENSIONER (S62) .

NOTE: Remove VANOS adjustment unit before removing timing case cover.

If no follow-on work is scheduled after the timing case cover has been removed, remove the VANOS adjustment unit only - the splined shafts are to remain in the VANOS gear. Do not adjust the camshaft timing.

Without follow-on work:

Remove right VANOS adjustment unit, refer to 11 36 040 REMOVING AND INSTALLING, SEALING/REPLACING RIGHT VANOS ADJUSTMENT UNIT (S62) .

If follow-on work is scheduled after the timing case cover has been removed, remove the VANOS adjustment unit together with the splined shafts.

Remove right VANOS adjustment unit with splined shafts. This operation is described in the section Replacing right camshafts, refer to 11 31 015 REPLACING RIGHT CAMSHAFTS (S62) .

Carefully remove pressure control valve (1) with pliers from timing case cover.

Fig 3: Removing Pressure Control Valve

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Remove oil return hose.

Fig 4: Removing Oil Return Hose

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Unclip cable from holder (1).

Release screws (2 to 4).

Fig 5: Removing Timing Case Cover

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CAUTION: Take care: the gasket between timing case cover and cylinder head can drop into the engine.

Carefully remove timing case cover.

Installation:

Replace sealing ring in cylinder head for oil supply of chain tensioner.

Fig 6: Replacing Sealing Ring In Cylinder Head

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Installation:

Ensure that dowel sleeves (1) are correctly located.

Fig 7: Identifying Dowel Sleeves

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Installation:

Keep sealing faces clean and free of oil.

Fill opening in cylinder head gasket with Drei Bond 1209 (refer to BMW Parts Service ).

Fig 8: Identifying Sealing Faces

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Installation:

Replace gaskets (1).

Fig 9: Replacing Gaskets

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Installation:

Clean sealing surfaces (1) to remove gasket remnants.

Fig 10: Identifying Sealing Surfaces

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Installation:

Ensure that seals are correctly seated.

Press tensioning rail towards interior and fit timing case cover with inserted screw (1).

Fig 11: Fitting timing Case Cover

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NOTE: It is not possible to insert screw (1) after fitting the timing case cover.

Installation:

Install holder (1).

Insert all screws and initially tighten without play.

Fig 12: Installing Holder

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Installation:

To tighten down screws (2), use a commercially available torque wrench or special tool 00 9 250.

Tighten screws (2) to 2 Nm.

Fig 13: Tightening Screws

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Installation:

Tighten down screws (3) in several stages to 10 Nm.

Tighten down screws (4) in several stages to 10 Nm.

Fig 14: Tightening Screws

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Installation:

Tighten down screws (2) in several stages to 10 Nm.

Fig 15: Tightening Screws

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Installation:

The pressure control valve incorporates a filter.

After engine damage that suggests that the filter is contaminated with chips, it is necessary to replace the pressure control valve.

Replace sealing rings (1) and coat with oil as lubricant.

Install pressure control valve.

Fig 16: Installing Pressure Control Valve

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Installation:

Install oil return hose.

Fig 17: Installing Oil Return Hose

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Assemble engine.