23 12 059 Replacing Radial Shaft Seal For Output Shaft (GS6-53BZ/DZ)

Special tools required: 

• 23 0 020
• 23 0 200
• 23 2 320
• 23 3 210
• 23 3 230
• 33 1 150
• 33 1 154

Necessary preliminary tasks: 

• Unflange propeller shaft from transmission and tie up to one side.

  Tasks are described in Removing propeller shaft. See REMOVING AND INSTALLING PROPELLER SHAFT (INSERTED) COMPLETELY .

Brace output flange with special tool 23 0 020. See Fig 1.

Release collar nut with special tool 23 2 320.

Release E90, 91 M57T2, E60S85 with special tool 23 0 200.

Installation: 

Mark flange with thermo pin and heat to min. 80-100°.

Fig 1: Removing Collar Nut Using Special Tool 23 2 320

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Secure collar nut with Loctite 243.

• Loctite 243: BMW Parts Service.
• Tightening torque 23 21 1AZ .

Detach output flange (1) with special tool 33 1 150 and adapter plate 33 1 154 from output shaft. See Fig 2.

Fig 2: Removing Output Flange Using Special Tool 33 1 150 And Adapter Plate 33 1 154

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on special tool 23 3 210  .

Slide special tool 23 3 210  over output shaft and screw into sealing ring firmly.

Fig 3: Sliding Special Tool 23 3 210 Over Output Shaft

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Insert screw into special tool 23 3 210  again and continue turning until sealing ring is pulled out of transmission housing.

If necessary, remove ring spring of sealing ring.

Fig 4: Inserting Screw Into Special Tool 23 3 210

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Installation: 

Coat sealing lips of new radial seal with gear oil.

Drive in radial seal as far as it will go with special tool 23 3 230  and plastic hammer.

Fig 5: Drive In Radial Seal Using Special Tool 23 3 230

Courtesy of BMW OF NORTH AMERICA, INC.