23 12 512 Replacing radial shaft seal for drive shaft (GS7S47BG SMG)

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IMPORTANT: After completion of work, check GEAR OIL LEVEL .
Use only APPROVED TRANSMISSION OIL .
Failure to comply with this requirement will result in serious damage to the manual transmission.

Necessary preliminary tasks:

Remove TRANSMISSION
Remove CLUTCH CONTROLLER AND RELEASE LEVER from guide tube.

Unfasten screws.

Remove guide tube (1).

Tightening torque: see Fig 1.

Fig 1: Tightening Torque 23 11 2AZ

G00530671

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Clean guide tube.

Do not grease guide tube.

Fig 2: Locating Guide Tube Screws

G04726052

Courtesy of BMW OF NORTH AMERICA, INC.

Drive a hole into radial shaft seal (1) using a center punch.

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

Screw in special tool 23 0 490 .

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

Fig 3: Identifying Special Tool (23 0 490)

G04742243

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Shorten special tool 23 4 100 by 75 mm.

Fig 4: Identifying Special Tool Shortened To Dimension

G04742244

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Coat sealing lips of radial seal with gear oil.

Push radial shaft seal (1) onto drive shaft up to housing.

Drive in radial shaft seal (1) as far as it will go with special tool 23 4 100 and striking tool 23 2 490 .

Fig 5: Identifying Special Tool (23 4 100) And Striking Tool (23 2 490)

G04742245

Courtesy of BMW OF NORTH AMERICA, INC.