BMW 7 Series: Replacing Drive Flange On Left/Right Rear Axle Shaft

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. 129: Identifying Collar Nut

• Remove BRAKE DISC.

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

Twist roll pins (1) 90º 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. 130: Identifying Twist Roll Pins, Return Spring And Brake Pads

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. 131: Detaching Drive Flange Using Special Tools

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

Vehicle components

VEHICLE COMPONENTS

I Drive flange
II Wheel carrier/swivel bearing

Required components for all models and types

REQUIRED COMPONENTS FOR ALL MODELS AND TYPES

E3 Washer
B1 Adapter
E1 Holding sleeveM24
F1 Spindle M24 (length 425 mm)
1 Hydraulic unit
A1 Device

Components specific to model and type

ADAPTER SPECIFICATIONS

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. 132: Pulling Drive Flange Using Special Tools

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

Installation note:

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

Vehicle components

VEHICLE COMPONENTS

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

Required components for all models and types

REQUIRED COMPONENTS FOR ALL MODELS AND TYPES

1 Hydraulic unit
E1 Holding sleeveM24
D1 Washer
F2 Spindle M24/M20 (length 335 mm)

Components specific to model and type

ADAPTER SPECIFICATIONS

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

• Oil drive flange lightly and attach to the output shaft gearing.

  Use a hydraulic tool to draw in the drive flange

Installing PARKING BRAKE SHOES. (Only for F01, F02, F03, F04, F07) Install BRAKE DISC.

Activate parking brake and tighten collar nut.

Tightening torque 33 41 1AZ.

Installation note: Replace collar nut.

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

Secure collar nut by positive peening on flat areas of output shaft.

Fig. 133: Identifying Parking Brake Shoes, Brake Disc And Collar Nut

After installation

Only for F01, F02, F03, F04, F07:

• Adjust PARKING BRAKE.

REPLACING LEFT OR RIGHT WHEEL BEARING ON REAR AXLE SHAFT

IMPORTANT: Do not damage multiple impulse ring.

Fig. 134: Identifying Impulse Ring

Necessary preliminary work

• Remove DRIVE FLANGE FOR REAR AXLE SHAFT.
• Remove TOE ARM FROM WHEEL CARRIER.

(F01/F02/F04/F10/F12/F13/F18)

NOTE:

• Check brake pads and renew if necessary!

F07/F11 only:

• Deactivate and drain air spring/suspension system
• Raise the wheel carrier with a workshop lift.

Release screws.

Tightening torque 33 41 2AZ.

Remove wheel bearing.

Installation note: Replace screws.

Fig. 135: Identifying Screws

Graphic F01: Installation note: Keep contact surface (2) of wheel bearing and wheel carrier clean and free from oil and grease.

Fig. 136: Identifying Wheel Bearing And Wheel Carrier With Screws

After installation

• Adjust PARKING BRAKE. (F01/F02/F04/F07)
• Activate and fill air spring system (F07/F11)

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