BMW X3 Service & Repair Manual: 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 4 407
• 2 230 163
• 33 4 402
• 33 4 400

IMPORTANT: Special tool 33 4 409 must not be removed!

Insert special tool 33 4 407 into special tool 33 4 401 .

Fit special tool 2 230 163 and tension until it lies firmly against wheel bearing inner ring.

Fit special tool 33 4 401 in conjunction with 33 4 407 .

Unscrew spindle 33 4 402 as far as is possible.

Tighten special tool 33 4 400 until it lies against special tool 2 230 163 .

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

• Pressure cylinder of hydraulic unit (1) must be in the initial position.
• Spindle F3 must terminate flush with hydraulic unit (1).
• Assemble special tool as shown in graphic
• Turn spindle of special tool 33 4 400 up to limit position.

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.