11 34 560 Replacing all valve stem seals (N52)

Necessary preliminary tasks: 

• Remove CYLINDER HEAD .
• Remove INTERMEDIATE LEVER .
• Remove ECCENTRIC SHAFT .
• Remove INLET CAMSHAFT .
• Remove EXHAUST CAMSHAFT .
• Remove ROLLER CAM FOLLOWER .

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

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

Fig 1: Turning Valve Stem Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Insert all VALVES .

Fit the mounting sleeves (plastic sleeves) supplied in the spare part on the valve stem end

Lubricate mounting sleeve.

Press on valve stem seal by hand with special tool 11 6 380 as far as it will go.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.