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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1364 (Clutch - Repair (N54) -- Z4_E89) >> Clutch And Dual-Mass Flywheel >> 11 22 513 Replacing roller bearing for dual-mass flywheel

11 22 513 Replacing roller bearing for dual-mass flywheel

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Special tools required: 

Necessary preliminary tasks: 

Pressing out roller bearing: 

Install special tool 23 4 031 in front of drive shaft spline teeth.

Screw in grease spindle 23 4 033 completely.

Brass tip must immerse fully into roller bearing.

Press in grease with grease gun 23 4 040 until roller bearing is disengaged from drive shaft.

When tensioning spring is compressed to full extent, release grease spindle and twist out slightly until spring is relieved.

Fig 1: Pressing Out Roller Bearing
G04754879Courtesy of BMW OF NORTH AMERICA, INC.

Repeat grease press-in procedure until roller bearing has released completely.

Remove special tool 23 4 031 .

Remove pressed-in grease (1) from drive shaft completely.

Then reinstall special tool.

Fig 2: Identifying Pressed-In Grease On Drive Shaft
G04754880Courtesy of BMW OF NORTH AMERICA, INC.

Pressing in roller bearing: 

Slide in pressure spindle 23 4 035 .

Attach thrust piece 23 4 036 to pressure spindle.

Push roller bearing (1) onto thrust piece.

Fig 3: Pushing Roller Bearing
G04754881Courtesy of BMW OF NORTH AMERICA, INC.

Screw in pressure spindle (1) until roller bearing is fully pressed in.

Fig 4: Screwing Pressure Spindle
G04754882Courtesy of BMW OF NORTH AMERICA, INC.