11 34 552 Removing and installing/replacing all valves (N52K)

Special tools required: 

• 11 4 480

Necessary preliminary tasks: 

• Remove Cylinder Head 
• Remove Intermediate Lever 
• Remove Eccentric Shaft 
• Remove intake camshaft 
• Remove 11 31 028 Removing and installing/replacing exhaust camshaft (N52K) 
• Remove Cam Followers 
• Remove Valve Springs 
• Remove Valve Stem Seals 

Arrangement:

1. Valve
2. Valve stem seal with lower spring plate
3. Valve spring
4. Upper spring plate
5. Valve tapers

If the valves are to be reused, they must be placed in neat order in special tool 11 4 480.

Fig 1: Valve Spring, Upper Spring Plate, Valve Tapers And Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME; if necessary, readjust uniform mixture distribution.