11 34 552 Removing And Installing / Replacing All Valves (S85)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 5 281
11 5 282
11 5 283
11 9 001
11 9 006
11 9 008
11 9 009

IMPORTANT: Risk of damage to cylinder head.
Use only the approved special tools.
Plastic rings on the special tools must not be damaged.

Necessary preliminary tasks:

Remove intake air manifold .
Remove cylinder head cover on left and right .
Remove cylinder head on left or right. See 11 12 105 Removing And Installing Left Cylinder Head (S85) or 11 12 106 Removing And Installing Right Cylinder Head (S85) .
Remove all spark plugs. See 12 12 011 REPLACING ALL SPARK PLUGS (S85) .
If necessary, remove and install engine .

NOTE: Place cylinder head (1) on special tool 11 9 001.

Prepare special tool 11 9 006 with special tool 11 9 008.

Fig 1: Identifying Special Tool 11 9 006, 11 9 008 And Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

Insert aluminum profile rail (1) and align.

Secure eccentric clamping levers (2 and 3).

Fig 2: Inserting Aluminum Profile Rail

Courtesy of BMW OF NORTH AMERICA, INC.

Special tool 11 5 281 for removing valve keys.

Special tool 11 5 282 for installing valve keys.

Special tool 11 5 283 for securing valve keys.

Fig 3: Identifying Special Tool 11 5 281, 11 5 282 And 11 5 283

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: In order to avoid damaging the HVCA guide, use only the designated special tools.

Adjust special tool 11 9 009 so that special tool 11 5 281 can press vertically onto the valve spring.

Fig 4: Identifying Special Tool 11 9 009 And 11 5 281

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Special tool 11 5 281 incorporates a lever (1) which is tensioned with a spring.

Press down valve spring with special tool 11 9 009 and keep pressed.

Pretension lever (1) in direction of arrow.

Release lever (1) in tensioned position.

The valve keys still installed are thus forced out and drop into the working chamber of special tool 11 5 281.

Repeat the operation several times if necessary until all the valve keys are forced out.

Pull back lever on special tool 11 5 281.

Valve keys (1) can now be ejected from the working chamber (2).

Fig 5: Pretensioning Lever

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 6: Identifying Valve Keys And Working Chamber

Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 9 006.

All the engine valves are now accessible.

Installation:

Set the engine valves down in neat and tidy order if they are to be reused.

Check valve seat for damage.

IMPORTANT: The cylinder head must be replaced if the valve seat is damaged.
Remachining the valve seat ring is not permitted.

Fig 7: Identifying Special Tool 11 9 006 And Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Use only special tool 11 5 282 to install the valve keys - risk of damage!

Press valve key (1) in direction of arrow into special tool 11 5 283.

Fig 8: Pressing Valve Key Into Special Tool 11 5 283

Courtesy of BMW OF NORTH AMERICA, INC.

Secure valve keys (1).

Fig 9: Identifying Valve Keys

Courtesy of BMW OF NORTH AMERICA, INC.

Press valve keys into special tool 11 5 282 with special tool 11 5 283.

Fig 10: Identifying Special Tool 11 5 282 And 11 5 283

Courtesy of BMW OF NORTH AMERICA, INC.

Press valve keys in direction of arrow into special tool 11 5 282 with special tool 11 5 283.

Fig 11: Pressing Valve Keys Into Special Tool 11 5 282 With Special Tool 11 5 283

Courtesy of BMW OF NORTH AMERICA, INC.

Make sure valve keys (1) are correctly positioned.

Special tool 11 5 282 is prepared.

Fig 12: Identifying Valve Keys And Special Tool 11 5 282

Courtesy of BMW OF NORTH AMERICA, INC.

Press down special tool 11 5 282 with special tool 11 9 009 in direction of arrow.

Installation:

Both valve keys are now pressed into their initial positions.

Check that valve keys are in correct installation position.

Fig 13: Pressing Down Special Tool 11 5 282 With Special Tool 11 9 009

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Check that valve keys are in correct installation position.

Fig 14: Identifying Valve Keys

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.