Front differential

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Press output shaft with special tool 31 5 110 out of front differential and remove.

Installation:

Replace SHAFT SEAL IN FRONT DIFFERENTIAL and coat sealing lips with front differential oil.

Replace retaining ring and slide in output shaft over resistance of retaining ring. Output shaft must snap audibly into place.

Fig 1: Pressing Output Shaft Using Special Tool 31 5 110 Out Of Front Differential

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: High installation forces indicate that the spline teeth on the output shaft/rear differential side gear are damaged/deformed!
Check spline teeth, replaced damaged parts.