11 23 010 Removing and installing/replacing vibration damper (N55)

Special tools required :

Necessary preliminary tasks :

NOTE: Gearbox removed:

Block crankshaft with special tool 11 9 260 .

NOTE: Illustration of flywheel removal.

Fig 1: Loosening/Tightening Flywheel Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Gearbox installed with manual gearbox:

Block crankshaft with special tool 11 8 180 .

Fig 2: Blocking Crankshaft Using Special Tool (11 8 180)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Gearbox installed with automatic transmission:

Block crankshaft with special tool 11 8 660 .

Fig 3: Blocking Crankshaft Using Special Tool (11 8 660)

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not release central bolt .
If the central bolt is accidentally loosened, the timing must be readjusted.

Fig 4: Identifying Central Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1 to 8).

Remove vibration damper (1).

Screws on vibration damper

Tightening torque 11 23 1AZ .

Fig 5: Vibration Damper Bolts Tightening/Loosening Sequence (N55)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.