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

Necessary preliminary tasks: 

• Remove CYLINDER HEAD 
• Remove INTERMEDIATE LEVER 
• Remove ECCENTRIC SHAFT 
• Remove INLET CAMSHAFT 
• Remove EXHAUST CAMSHAFT 
• 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: Identifying Upper/Lower Spring Plate, Valve Spring And Valve Stem Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

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