11 34 560 Replacing All Valve Stem Seals (N63)

Special Tools Required:

IMPORTANT: Risk of Damage To Sealing Lip On Valve Stem Seal.
Fit New Valve Stem Seals Only When All Valves Have Been Installed.

Necessary Preliminary Tasks:

Remove All VALVE SPRINGS .

Press Special Tool 11 6 370 Onto The Valve Stem Seal.

Withdraw Valve Stem Seal By Turning and Simultaneously Unscrewing Special Tool 11 6 370 .

Fig 1: Removing Valve Stem Seal Using Special Tool 11 6 370

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Installation Note:

Lubricate Valve Stem with Oil and Insert Valve.

Installation Sleeve 11 1 380 Is Included In The Delivery Specification for The Valve Stem Seals.

Fit Special Tool 11 1 380 .

Coat New Valve Stem Seal (1) with Oil and Install.

Fig 2: Fitting Special Tool 11 1 380 To Valve Stem Seal

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: for Use On The N63 Engine, The Special Tool 11 6 380 Must Be Re-Machined According To The Sketch with A 6.2 Mm Drill Bit Dia. To A Depth of A = Approx. 45 Mm.

This Modification Has Already Been Taken Into Account for Reordering.

Fig 3: Identifying Re-Machining Dimensions for Special Tool 11 6 380

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Manually Press On Valve Stem Seal As Far As It Will Go with Special Tool 11 6 380 .

Fig 4: Pressing On Valve Stem Seal Using Special Tool 11 6 380

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Assemble Engine.