23 12 059 Replacing radial shaft seal for output flange (GS6-53BZ/DZ G-transmission)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL .
Use only approved transmission oil. See MANUAL TRANSMISSION - OPERATING FLUIDS .
Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

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

Tasks are described in Removing PROPELLER SHAFT .

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.

Fig 1: Identifying Special Tools (23 0 200) And (23 2 320)

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Installation:

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

WARNING: Scalding hazard! Fit flange wearing suitable protective gloves only!

IMPORTANT: Do not drive on flange.

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: Identifying Output Flange With Special Tool

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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 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

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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: Identifying Special Tools (23 3 230), (23 4110) And (23 3 162)

Courtesy of BMW OF NORTH AMERICA, INC.