33 41 000 Replacing drive flange on left/right rear axle shaft

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

34 4 000

Necessary preliminary work

Remove REAR WHEEL.

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

Activate parking brake and release collar nut.

Tightening torque 33 41 1AZ .

Installation note:

Lightly oil the gearing at the shaft journal.

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

Replace the collar nut and secure it by positive peening on flat areas of output shaft.

Fig 1: Locating Collar Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Remove BRAKE DISC.

only: F01, F02, F03, F04, F07:

Twist roll pins (1) 90° with special tool 34 4 000 and detach.

Only disconnect return spring (2) with brake spring pliers.

Remove brake pads (3).

NOTE: the fitted position of the adjusting screw must not be changed or turned.

Fig 2: Identifying Brake Pads, Return Spring And Roll Pins

Courtesy of BMW OF NORTH AMERICA, INC.

Use the special tool from the BMW workshop catalogue.

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 detachment of the drive flange:

Fig 3: Pulling Drive Flange Out Of Wheel Bearing Using Tool

Courtesy of BMW OF NORTH AMERICA, INC.

The following tools are required to pull the drive flange out of the wheel bearing. For arrangement, see Fig 3:

Vehicle components

I	Drive flange
II	Wheel carrier/swivel bearing

Required components for all models and types

E3	Washer
B1	Adapter
E1	Holding sleeve M24
F1	Spindle M24 (length 425 mm)
1	Hydraulic unit
A1	Device

Components specific to model and type

M1	Adapter diameter 100 / 101 mm
M2	Adapter diameter 88 mm
M3	Adapter diameter 102 mm
M4	Adapter diameter 96 mm
M5	Adapter diameter 90 mm
M6	Adapter diameter 102 / 113 mm
K1	Screws M12 x 1.5
K2	Screws M14 x 1.5

Pull out drive flange using the hydraulic tool.

IMPORTANT: Wheel bearing will be destroyed by being pulled out of the drive flange and must be renewed!

The following work steps pulling in the drive flange:

Fig 4: Pulling Drive Flange From Wheel Bearing Using Tool

Courtesy of BMW OF NORTH AMERICA, INC.

The following tools are required to pull the drive flange in. For arrangement, see Fig 4:

Installation note:

The drive flange and output shaft can be installed in the wheel bearing in one operation.

Vehicle components

I	Drive flange hub
II	Wheel carrier/swivel bearing
III	Output shaft

Required components for all models and types

1	Hydraulic unit
E1	Holding sleeve M24
D1	Washer
F2	Spindle M24 / M20 (length 335 mm)

Components specific to model and type

G1	Adapter M22 x 1.5 to M20
G2	Adapter M24 x 1.5 to M20
G3	Adapter M27 x 1.5 to M20

IMPORTANT: Risk of damage!
Due to the technical requirements, the special tool used, sleeve G,* is relatively thin-walled. So that the load limits of the clamping sleeve are not exceeded, you must use the adapter 81 64 2 318 661 together with a torque wrench.

Fig 5: Identifying Output Shaft Adapter