11 34 560 Replacing all valve stem seals (N18)

Special tools required:

Necessary preliminary tasks:

Firmly press special tool 11 1 480 onto old valve stem seals.

Detach valve stem seal from valve stem by turning and simultaneously pulling special tool 11 1 480 .

Installation note:

Insert all VALVES .

Fig 1: Detaching Valve Stem Seal From Valve Stem

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Fit the assembly sleeves (plastic sleeves) supplied in the new part on the valve stem end.

Lubricate assembly sleeve.

Press on valve stem seal with special tool 11 6 380 by hand up to stop.

Fig 2: Pressing On Valve Stem Seal With Special Tool (11 6 380)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.