11 34 560 Replacing All Valve Stem Seals (S85)

Special tools required: 

• 11 1 480
• 11 5 270

Necessary preliminary tasks: 

• Remove cylinder head. See 11 12 105 Removing And Installing Left Cylinder Head (S85)  or 11 12 106 Removing And Installing Right Cylinder Head (S85) .
• Remove all valve springs.

Remove valve stem seal with special tool 11 1 480 in direction of arrow.

Installation: 

Attach the mounting sleeve (1) supplied with the new part to the valve stem.

Attach valve stem seal (2) over mounting sleeve (1).

Press on valve stem seal with special tool 11 5 270 in direction of arrow as far as it will go.

Assemble engine.