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

Special tools required:

Necessary preliminary tasks:

Remove underbody protection. See FRONT UNDERBODY PROTECTION or FRONT UNDERBODY PROTECTION (AWD) .
Remove DRIVE BELT .

NOTE: Gearbox removed:

Block crankshaft with special tool 11 9 260 .

NOTE: Picture of flywheel removal.

Fig 1: Blocking Crankshaft Using Special Tool 11 9 260

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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

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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

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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 Vibration Damper Central Bolt

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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

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Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.