BMW 7 Series: Detaching Wheel Bearing Inner Ring From Drive Flange (Drive Flange Removed)

Notes

IMPORTANT:

• Special tool 33 4 409 must not be removed!

Insert special tool 33 4 408 into special tool 33 4 401.

Fig. 125: Positioning Special Tools (33 4 408), (33 4 401) And (33 4 409)

Position special tool 33 4 401 in conjunction with 33 4 408 on drive flange.

Fig. 126: Positioning Special Tools (33 4 401) In Conjunction With (33 4 408) On Drive Flange

Tension special tool 33 4 401 with spanners 33 4 403 and 33 4 404 together until special tool is resting against wheel bearing inner ring.

Fig. 127: Tensioning Special Tool (33 4 401) With Spanners (33 4 403) And (33 4 404)

Use hydraulic unit and adapter kits, see 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

Fig. 128: Detaching Wheel Bearing Inner Ring From Drive Flange Using Special Tools

• Pressure cylinder of hydraulic unit (1) must be in the initial position.
• Spindle F3 must terminate flush with hydraulic unit (1).
• Assemble special tool, see graphic.
• Turn spindle of special tool 33 4 400 as far as it will go.

The following tools are required for detachment, consult graphic for arrangement:

Vehicle components

VEHICLE COMPONENTS

I Drive flange hub
II Wheel carrier/swivel bearing

Required components for all models and types

REQUIRED COMPONENTS FOR ALL MODELS AND TYPES

1 Hydraulic unit
F3 Spindle M24 (length 270 mm)
E3 Washer M24
C1 Holding sleeve
K1 Screws M12 x 1.5
K2 Screws M14 x 1.5
B1 Adapter
33 4 400 Special tool

Components specific to model and type

ADAPTER SPECIFICATIONS

K1 Screws M12 x 1.5
K2 Screws M14 x 1.5

Detach wheel bearing inner ring from drive flange.

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