23 12 057 Replacing radial shaft seal for output flange (GS7S47BG SMG)

WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2006 BMW M5. 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 .
Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

Remove PROPELLER SHAFT .

Brace output flange with special tool 23 0 020 .

Release collar nut with special tool 23 1 210.

Tightening torque: 200 Nm

IMPORTANT: Do not drive on flange.

Secure bolt with Loctite 243.

Loctite 243: (refer to BMW Parts).

Fig 1: Identifying Special Tool (23 1 210) And (23 0 020)

G04726042

Courtesy of BMW OF NORTH AMERICA, INC.

Detach output flange (1) with special tool 31 2 106 (synchronizing key) and 3-claw extractor tool (2) from output shaft.

Fig 2: Identifying Special Tool (31 2 106)

G04742228

Courtesy of BMW OF NORTH AMERICA, INC.

Drive a hole into radial shaft seal using a center punch.

IMPORTANT: Do not use a drill as drillings may result in transmission malfunction.

Screw special tool 23 0 490 into radial shaft seal (1).

Drive out radial shaft seal (1) with impact weight (2).

Fig 3: Identifying Special Tool (23 0 490)

G04742229

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 4 110 and plastic hammer.

Fig 4: Identifying Special Tool (23 4 110) And (23 3 162)

G04726041

Courtesy of BMW OF NORTH AMERICA, INC.