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Home >> Mini >> 2007 >> Cooper S, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair - Cooper S (W11 Engine) >> Vibration Damper >> 11 23 010 Removing and installing or replacing vibration damper (COOPER S)

11 23 010 Removing and installing or replacing vibration damper (COOPER S)

Special tools required: 

Necessary preliminary tasks: 

Installation: 

Procedure up to 4/04. 

Fit special tool 11 8 460 on vibration damper (1).

Fig 1: Releasing Central Bolt
G03309750Courtesy of BMW OF NORTH AMERICA, INC.

Release central bolt (2).

Tightening torque 11 23 1AZ. Refer to ENGINE - TIGHTENING TORQUES .

Screw special tool 11 8 270 into crankshaft.

Fig 2: Screwing Special Tool Into Crankshaft
G03309751Courtesy of BMW OF NORTH AMERICA, INC.

Pull off vibration damper with special tool 11 8 450.

Fig 3: Pulling Off Vibration Damper With Special Tool
G03309752Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Remove special tool 11 8 270.

Press vibration damper onto crankshaft with special tools 11 8 242 and 11 8 241.

Fig 4: Pressing Vibration Damper Onto Crankshaft With Special Tools
G03309753Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Procedure from 4/04. 

Preinstall special tool 11 8 441 with countersunk screws (2) on vibration damper (1).

Fig 5: Preinstalling Special Tool
G03309754Courtesy of BMW OF NORTH AMERICA, INC.

Fit special tool 11 8 460 on special tool 11 8 441.

Release central bolt (2).

Tightening torque: 11 23 1AZ. Refer to ENGINE - TIGHTENING TORQUES .

Fig 6: Releasing Central Bolt
G03309755Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 11 8 270.

Fig 7: Screwing In Special Tool
G03309756Courtesy of BMW OF NORTH AMERICA, INC.

Fit special tool 11 8 450.

Fig 8: Pulling Off Vibration Damper With Special Tool
G03309757Courtesy of BMW OF NORTH AMERICA, INC.

Pull off vibration damper with special tool 11 8 450.

NOTE: Modify special tool 11 8 441 if necessary to new vibration damper.

Press on vibration damper with special tools 11 8 442 and 11 8 443.

Fig 9: Pressing On Vibration Damper With Special Tools
G03309758Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.