11 34 560 Replacing all valve stem seals (N52)

Special tools required: 

• 11 1 480
• 11 6 380

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: Pressing Special Tool (11 1 480) Onto Valve Stem Seals

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 With Special Tool (11 6 380)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.