33 11 091 Replacing drive flange on left or right of rear differential

WARNING: This page is about a different variant/trim than selected.

WARNING: Risk of burning on the exhaust system!

IMPORTANT: When replacing the drive flange, you must also replace the Shaft Seal !

Necessary preliminary tasks:

Remove Output Shaft From Rear Differential and tie back

Using a suitable screwdriver and a hammer (acting as a rest), force drive flange (1) off rear differential.

Installation:

Replaced deformed or damaged dust plates.

Insert drive flange and rotate until spline on flange meshes with teeth on differential bevel gear.

Press drive flange in further until circlip locates with an audible click.

IMPORTANT: High installation forces indicate that the spline teeth on the drive flange/differential bevel gear are damaged/deformed!
Check spline teeth, replaced damaged parts.

Fig 1: Identifying Rear Differential Drive Flange

Courtesy of BMW OF NORTH AMERICA, INC.

Install retaining ring (1).

Installation:

Clean shaft seal race on drive flange thoroughly.

Coat drive flange at contact face of shaft seal with approved Rear Differential Oil .

Fig 2: Identifying Rear Differential Drive Flange Retaining Ring

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Replace Shaft Seal .

After installation:

Check Rear Differential Oil Level , correct if necessary