31 21 090 Replacing left/right swivel bearing (M6)

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Necessary preliminary work:

Remove BRAKE DISC .
Release brake hose from holders on swivel bearing and tie up brake caliper.
Do not allow brake caliper to hang from brake hose!

Release screw (1).

Tightening torque 31 51 3AZ .

Pull out pulse sensor (2) from the swivel bearing.

Fig 1: Identifying Pulse Sensor Screws

G06890090

Courtesy of BMW OF NORTH AMERICA, INC.

Disengage line (1) along marked lines from holders.

Fig 2: Identifying Line

G06890026

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Secure swivel bearing against falling out.

Remove upper wishbone from swivel bearing. See 31 12 002 REMOVING AND INSTALLING/REPLACING TOP LEFT WISHBONE (M6) or 31 12 003 REMOVING AND INSTALLING/REPLACING TOP RIGHT WISHBONE (M6) .

Remove TRAILING LINK FROM SWIVEL BEARING

Remove TRACK ROD END FROM SWIVEL BEARING .

Remove LOWER WISHBONE FROM SWIVEL BEARING .

Remove swivel bearing.

Fig 3: Identifying Wheel Bearing Assembly

G06889584

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Modify both cable clips/pulse sensors (1) on swivel bearing.

Install new stud bolts (2).

Tightening torque 31 21 3AZ .

Modify BRAKE GUARD PLATE (3).

Modify WHEEL BEARING (4).

Fig 4: Identifying Cable Clips/Pulse Sensors, Stud Bolts And Brake Guard Plate

G09922626

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

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