33 41... Detaching wheel bearing inner ring from drive flange (drive flange removed)

Special tools required: 

• 33 4 401
• 33 4 403
• 33 4 404
• 33 4 408
• 33 4 409
• 33 4 400

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

Fig 1: Identifying Special Tool (33 4 408)

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

Fig 2: Positioning Special Tool (33 4 401)

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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 3: Turning Special Tool (33 4 401)

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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 4: Pressing Hydraulic Unit Cylinder

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• 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 Fig 4
• 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: 

Required components for all models and types: 

Components specific to model and type: 

Detach wheel bearing inner ring from drive flange.