31 21 090 Replacing left/right swivel bearing

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Special tools required:

31 2 230

NOTE: When replacing swivel bearing pay attention to camber correction swivel bearings.
Camber correction swivel bearing are used to correct the camber values by ±30 minutes. To be used only if the camber tolerance values are exceeded and undershot.

IMPORTANT: On the M135i and M235i the camber correction of -30 min for the swivel bearing is standard status for production vehicles.
Identification is made at the PART NUMBER ON SWIVEL BEARING .

Fig 1: Identifying Swivel Bearing

G10095381

Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks:

Remove brake disc . See 34 11 220 REMOVING AND INSTALLING/REPLACING BOTH FRONT BRAKE DISCS or 34 11 220 REMOVING AND INSTALLING/REPLACING BOTH FRONT BRAKE DISCS (BREMBO) .
Remove PULSE SENSOR FROM SWIVEL BEARING .

IMPORTANT: Prior to installation, check sensor head and cable from pulse sensor and renew if necessary.

Only on ride-height sensor at left:

Release link at wishbone.

Fig 2: Locating Wishbone Link

G10095382

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken WISHBONE BOLT CONNECTION ON FRONT AXLE SUPPORT in order to prevent wishbone rubber mount from being damaged.

Remove WISHBONE FROM SWIVEL BEARING .

Remove TRACK ROD END FROM SWIVEL BEARING .

Remove TENSION STRUT FROM SWIVEL BEARING

Support swivel bearing with workshop jack and suitable fixture.

Slacken nut (1).

Tightening torque 31 31 3AZ .

Take off holder (2).

Pull out screw.

Installation note:

Replace nut (1).

Bolt head points in direction of travel.

Fig 3: Pulling Swivel Bearing Slacken Nut

G10095383

Courtesy of BMW OF NORTH AMERICA, INC.

Expand swivel bearing with special tool 31 2 230.

Lower workshop jack and remove swivel bearing.

Installation note:

Keep press fit of swivel bearing and spring strut in lower area clean and free from oil and grease.

Fig 4: Removing Swivel Bearing Using Special Tool (31 2 230)

G10095371

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Expand swivel bearing with special tool 31 2 230.

Alight gap on swivel bearing (1) to positioning pin (2) on spring strut.

Slide on swivel bearing to limit position.

Fig 5: Aligning Swivel Bearing To Positioning Pin

G10095372

Courtesy of BMW OF NORTH AMERICA, INC.

Remount WHEEL BEARING or replace if necessary.
Remount BRAKE GUARD PLATE or replace if necessary.

After installation:

Carry out wheel alignment procedure . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or 32 00 155 KDS WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .