Necessary preliminary tasks

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

Remove REAR WHEEL .
Remove rear axle final drive . See 33 10 010 REMOVING AND INSTALLING/REPLACING REAR DIFFERENTIAL or 33 10 016 / 17 REMOVING AND INSTALLING/RENEWING REAR AXLE FINAL DRIVE (DYNAMIC PERFORMANCE CONTROL).

IMPORTANT: Always place a new circlip on the output shaft reinstalling!

IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread when releasing collar nut (1).

Activate parking brake and release collar nut (1).

Tightening torque 33 41 1AZ. .

Installation note:

Lightly oil the gearing at the shaft journal.

Fig 1: Locating Collar Nut

Courtesy of BMW OF NORTH AMERICA, INC.

No oil permitted on thread of shaft journal or collar nut.

Replace collar nut (1) by positive peening at flat areas of output shaft.

Use special tool:

Hydraulic unit - 81 64 2 155 744
Adapter kit 1 - 81 64 2 155 745
Adapter kit 2 - 81 64 2 155 746

The following work steps describe pressing out the output shaft:

Fig 2: Pressing Out Output Shaft From Drive Flange

Courtesy of BMW OF NORTH AMERICA, INC.

The following tools are required to press out the output shaft from the drive flange, see graphic for arrangement: