33 11 091 Replacing Drive Flange On Left Or Right Of Rear Differential
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 335xi, 2008 BMW 328xi, 2007 BMW 335xi, 2007 BMW 328xi, and 2006 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Risk of burning on the exhaust system!
IMPORTANT:
When replacing the drive flange, you must also replace the shaft seal! See 33 11 151 REPLACING SHAFT SEAL FOR DRIVE FLANGE LEFT OR RIGHT
Necessary preliminary tasks:
- Remove output shaft from rear differential and tie back. See 33 21 001 REMOVING AND INSTALLING OR REPLACING LEFT OUTPUT SHAFT and/or 33 21 002 REMOVING AND INSTALLING/REPLACING RIGHT OUTPUT SHAFT
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.
Check spline teeth, replaced damaged parts.
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.
Replacement:
Replace shaft seal. See 33 11 151 REPLACING SHAFT SEAL FOR DRIVE FLANGE LEFT OR RIGHT
After installation:
- Check rear differential oil level, correct if necessary. See 00 11 ... CHECKING/TOPPING UP OIL LEVEL IN REAR DIFFERENTIAL