11 34 715 Replacing all valve springs (N54, N54T)

Necessary preliminary tasks: 

• Remove cylinder head cover
• Remove CYLINDER HEAD .
• Remove EXHAUST CAMSHAFT .
• Remove INTAKE CAMSHAFT 
• Remove ROLLER CAM FOLLOWERS 

Intake valves 

Fit cylinder head on special tool 11 9 000 .

Press valve spring down on spring cup with special tools 11 0 009 and 11 9 017.

Fig 1: Pressing Valve Spring Down On Spring Retainer Using Special Tools 11 0 009 And 11 9 017

Courtesy of BMW OF NORTH AMERICA, INC.

Exhaust valves 

Fit cylinder head on special tool 11 9 000 .

Press valve spring down on spring cup with special tools 11 0 009 and 11 0 346.

Fig 2: Pressing Valve Spring Down On Spring Retainer Using Special Tools 11 0 009 And 11 0 346

Courtesy of BMW OF NORTH AMERICA, INC.

Remove valve tapers with a magnet.

Remove valve spring and spring retainer.

Set down on special tool 11 4 480 in a tidy and orderly fashion.

Fig 3: Removing Valve Spring And Spring Retainer

Courtesy of BMW OF NORTH AMERICA, INC.

Color marking (1) is normally on lower end of valve spring.

Installation note: 

Inlet valve: Violet/green or violet/yellow

Exhaust: White/green or white/yellow

If the colors on the valve springs can no longer be identified, these must be replaced for safety reasons.

Fig 4: Dimensions Of Valve Spring

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement:

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

Fig 5: Exploded View Of Valve Assembly

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME control unit.