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

WARNING: This page is about a different car, the 2010 BMW M6, 2009 BMW M6, 2008 BMW M6, 2007 BMW M6, and 2006 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

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 26 11 000 REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT (CONSTANT-VELOCITY JOINT) .

Brace output flange with special tool 23-0020 HOLDER .

Release collar nut with special tool 23-2320 SOCKET WRENCH INSERT .

Release E90, 91 M57T2, E60S85 with special tool 23-0200 SOCKET .

Installation:

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

Fig 1: Tightening Collar Nut Using Special Tool (23 2 320)

Courtesy of BMW OF NORTH AMERICA, INC.

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: Detaching Output Flange With Special Tool (33 1 150) And Adapter Plate (33 1 154)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on special tool 23-3210 PULLER .

Slide special tool 23-3210 PULLER over output shaft and screw into sealing ring firmly.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Insert screw into special tool 23-3210 PULLER again and continue turning until sealing ring is pulled out of transmission housing.

If necessary, remove ring spring of sealing ring.

Fig 4: Turning Sealing Ring Of Transmission Housing Using Special Tool (23 3 210)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Coat sealing lips of new radial seal with gear oil.

Drive in radial seal as far as it will go with special tool 23-3230 MANDREL and plastic hammer.

Fig 5: Installing Radial Seal Using Special Tool (23 3 230)

Courtesy of BMW OF NORTH AMERICA, INC.