11 34 552 Removing and installing or replacing all valves (N14)

Special tools required: 

• 11 4 480

Necessary preliminary tasks: 

• Remove cylinder head .
• Remove intake camshaft .
• Remove exhaust camshaft .
• Remove roller cam follower .
• Remove valve springs .
• Remove valve stem seals .

Arrangement:

1. Valve
2. Valve stem seal with spring plate, bottom
3. Valve spring
4. Top plate spring
5. Valve tapers

If the valves are to be reused, set then down in special tool 11 4 480 in a tidy and orderly fashion.

Fig 1: Identifying Valve Components

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.