31 21 090 Replacing (Removing and Installing) Left or Right Swivel Bearing

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Special tools required:

31 2 200

Necessary preliminary tasks:

Remove brake disc . See 34 11 220 REMOVING AND INSTALLING/REPLACING BOTH FRONT BRAKE DISCS
Remove pulse generator from swivel bearing . See 34 52 525 REPLACING ONE FRONT PULSE GENERATOR
Remove control arm from swivel bearing . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM
Remove tie rod end from swivel bearing . See 32 21 151 REPLACING LEFT OR RIGHT TIE ROD
Remove tension strut from swivel bearing . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS

After installation:

Replacement only: Perform chassis alignment check . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION and 32 00 155 CHASSIS/WHEEL ALIGNMENT WITHOUT LOAD

Support swivel bearing with workshop jack and a suitable mounting.

Release nut and remove holder for brake hose, pulse generator and if necessary brake pad sensor.

Remove screw towards front.

Spread swivel bearing with special tool 31 2 200. See 31 2 200 EXPANDER TOOL

Lower workshop jack and remove swivel bearing.

Installation:

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

Spread swivel bearing with special tool 31 2 200 , align by means of gap to web on back of spring strut and raise as far as it will go. See 31 2 200 EXPANDER TOOL

Replace self-locking nut.

Tightening torque 31 31 3AZ. See 31 31 SPRING STRUTS

Fig 1: Identifying Special Tool (31 2 200)

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only:

Modify or if necessary replace wheel bearing. See 31 21 180 REPLACING BEARINGS (WHEEL HUB) FOR FRONT WHEEL

Modify brake guard plate. See 34 11 250 REMOVING AND INSTALLING/REPLACING A BRAKE CARRIER/BRAKE GUARD PLATE AT FRONT