Installing valve stem seals

NOTE: RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, loss of function or leaks.

Adhere to the utmost cleanliness.
Protect components from contamination e.g. by covering.
Close off line connections with seal plugs.

NOTE: The description is for one component only. The procedure is identical for all further components.

Remove oil and dirt from the contact surface (1).

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NOTE: TECHNICAL INFORMATION
As an alternative to special tool 0 490 797 (11 1 960) , the assembly sleeves delivered with the spare part can be used (see applicable BMW parts catalogue).

Make sure that the special tool 0 490 797 (11 1 960) or the assembly sleeves are used when installing the valve stem seal.

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Guide in and install special tool 0 490 797 (11 1 960) or assembly sleeves on valve (1).

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Replace the valve stem seal (1) or assembly sleeves.
Parts: Valve stem seal, assembly sleeves
Guide in and install valve stem seal (1) on special tool 0 490 797 (11 1 960) or assembly sleeves.

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Guide out and remove special tool 0 490 797 (11 1 960) or assembly sleeves.

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Prepare special tool 0 493 249 (11 6 380) .

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Press the valve stem seal (1) onto the cylinder head 0 493 249 (11 6 380) up to the stop using special tool.

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Make sure that the valve stem seal (1) is correctly positioned on cylinder head (2).

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Follow-up work

Refer to INSTALLING ALL VALVE SPRINGS .
Refer to INSTALLING ALL ROLLER CAM FOLLOWERS .
Refer to INSTALLING EXHAUST CAMSHAFT .
Refer to INSTALLING INTAKE CAMSHAFT .