Special tools required

Necessary preliminary tasks: 

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

Tasks are described in removing PROPELLER SHAFT (CONSTANT-VELOCITY JOINT) .

Brace output flange with special tool 23 0 020.

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.

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

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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: Installing Radial Seal Using Special Tool (23 3 230)

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