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Home >> BMW >> 2013 >> X6 50i >> Repair and Diagnosis >> External Pages >> Different car >> Section 783 (Front Axle - Repair - AWD) >> 21 Wheel Bearings And Stub Axle >> 31 21 180 Replacing Bearing for Front Wheel (AWD) >> Special tools required:

Special tools required:

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IMPORTANT: Bearing cannot be dismantled.
Do not wash out bearing.

Remove front wheel. See 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL

IMPORTANT: Expand turning lock sufficiently to avoid damaging thread when releasing collar nut.

Release collar nut; to do so, press brake pedal to floor.

Fig 1: Locating Turning Lock
G04745166Courtesy of BMW OF NORTH AMERICA, INC.

Remove front brake disk34 11 220 REMOVING AND INSTALLING OR REPLACING BOTH FRONT BRAKE DISCS

Force drive flange with special tools 33 2 116 / 33 2 201, 33 2 160, 33 4 200 and 5 wheel bolts out of wheel bearing. See 33 2 110 REMOVAL AND INSTALLATION TOOL , 33 2 200 FIXTURE , 33 2 160 SPACER RING , 33 4 200 TOOL KIT / STRIKER FIXTURE

NOTE: Rounded inside edge of special tool 33 2 160 must point to drive flange. See 33 2 160 SPACER RING

Detach INNER WHEEL BEARING RACE FROM DRIVE FLANGE .

Fig 2: Identifying Inner Wheel Bearing Race From Drive Flange
G04726530Courtesy of BMW OF NORTH AMERICA, INC.

Remove swivel bearing and clamp with aluminum clamping jaws in vice. See 31 21 090 Replacing (removing and installing) left or right swivel bearing (AWD) 

IMPORTANT: The bearing was destroyed when the wheel hub was removed and must not be reused!

Lift out retaining ring (1).

Fig 3: Lifting Out Retaining Ring
G04745171Courtesy of BMW OF NORTH AMERICA, INC.

Pull out bearing with special tools 31 2 113, 33 4 261, 33 3 266 and 33 3 261.. See 31 2 110 FIXTURE , 33 4 260 SET OF TOOLS , 33 3 260 SET OF TOOLS

NOTE: The bearing can be forced out of the swivel bearing on a press.
Check dust sleeve, replace if necessary.
Fig 4: Identifying Special Tools
G04745172Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Keep press-fit areas clean and free of oil and grease.
Wider chamfer (1) of bearing must point to swivel bearing!

Clean new bearing on press-fit area and bearing seat in swivel bearing.

Fig 5: Identifying Wider Chamfer
G04745173Courtesy of BMW OF NORTH AMERICA, INC.

Align bearing by way of wider chamfer to swivel bearing and draw in up to stop with special tools 31 2 113, 22 1 018, 33 4 262 and 33 3 261. See 31 2 110 FIXTURE , 22 1 010 SET OF TOOLS , 33 4 260 SET OF TOOLS , 33 3 260 SET OF TOOLS

NOTE: The bearing can be forced out of the swivel bearing on a press.
Fig 6: Identifying Special Tools
G04745174Courtesy of BMW OF NORTH AMERICA, INC.

Install new circlip (1).

NOTE: Make sure circlip (1) is correctly seated.
Fig 7: Lifting Out Retaining Ring
G04745171Courtesy of BMW OF NORTH AMERICA, INC.

Draw in wheel hub (1) up to stop with special tools 31 2 113, 33 3 268, 33 3 266 and 33 3 261. See 31 2 110 FIXTURE , 33 3 260 SET OF TOOLS ,

Fig 8: Identifying Wheel Hub And Using Special Tools
G04745176Courtesy of BMW OF NORTH AMERICA, INC.

Install swivel bearing. See 31 21 090 Replacing (removing and installing) left or right swivel bearing (AWD) 

Draw output shaft into wheel hub. See 31 60... Pressing output shaft out of drive flange (wheel hub) and drawing in 

Install front brake disk. See 34 11 220 REMOVING AND INSTALLING OR REPLACING BOTH FRONT BRAKE DISCS

Install front brake calliper. See 34 11 220 REMOVING AND INSTALLING OR REPLACING BOTH FRONT BRAKE DISCS

Replace collar nut, oil collar nut/wheel bearing contact surface only and tighten down.

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

Tightening torque 31 21 2AZ. See 31 21 WHEEL BEARINGS AND STEERING KNUCKLE

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

Install front wheel. See 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL

Fig 9: Locating Turning Lock
G04745166Courtesy of BMW OF NORTH AMERICA, INC.