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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Transmission >> Manual Trans >> Manual Transmission - Repair -- M4 (F82 & F83) >> 23 12 Radial Shaft Seals >> Replacing radial shaft seal for drive shaft (GS6-45BZ)

Replacing radial shaft seal for drive shaft (GS6-45BZ)

Special tools required: 

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only the approved transmission oil.

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks: 

Removal: 

Release screws (2).

Remove guide tube (1).

G12731124Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Screw special tool 23 0 490 into radial shaft seal.

Withdraw radial shaft seal from transmission housing with aid of impact weight.

G13691466Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Push radial shaft seal (1) onto special tool 23 3 240.

Installation note: 

Coat sealing lips of radial shaft seal with transmission oil.

G12731150Courtesy of BMW OF NORTH AMERICA, INC.

Push special tool 23 3 240 onto drive shaft.

Drive in radial shaft seal with plastic hammer as far as it will go.

G12731151Courtesy of BMW OF NORTH AMERICA, INC.

Install guide tube (1).

Tighten screws (2).

Tightening torque: 23 11 2AZ .

Installation note: 

Clean guide tube.

Do not grease guide tube.

G12731124Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: