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

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

WARNING: Risk of burning on the exhaust system!

IMPORTANT: The RADIAL SHAFT SEAL must also be replaced when replacing the drive flange!

Necessary preliminary tasks

Remove OUTPUT SHAFT from rear axle final drive and tie back.

Press off the drive flange (1) from the rear axle final drive using a suitable screwdriver and hammer (serves as support).

Installation note:

Replace any deformed or damaged dust plates.

Insert drive flange and rotate until flange gearing meshes with gearing of differential bevel gear.

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

Fig 1: Pressing Drive Flange From Rear Axle Final Drive

Courtesy of BMW OF NORTH AMERICA, INC.

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

Install circlip (1).

Installation note:

Clean shaft seal race on drive flange thoroughly.

Coat drive flange at contact face of radial shaft seal with approved final drive oil. See REAR AXLE - OPERATING FLUIDS .

Fig 2: Identifying Circlip

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

Replace RADIAL SHAFT SEAL .

After installation:

Check FINAL DRIVE OIL LEVEL , correct if necessary.