31 12 000 Removing and installing/replacing left or right wishbone

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NOTE: If the wishbone is detached from the front axle support, it will be necessary to carry out the 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 .

Necessary preliminary tasks:

Remove FRONT WHEEL .
Remove FRONT ASSEMBLY UNDERSIDE PROTECTION .
Remove STEERING ASSEMBLY COVER . (N47 with rear-wheel drive only)

Only on ride-height sensor at left:

Release link at wishbone.

Fig 1: Locating Wishbone Link

G10095356

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1), if necessary, grip at inner Torx socket.

Tightening torque: 31 12 4AZ .

Installation note:

Keep wishbone to swivel bearing connection clean and free from oil and grease.

Replace self-locking nut.

Fig 2: Identifying Wishbone Nut

G10095357

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1).

Tightening torque: 31 12 3AZ .

Remove screw towards front.

Take off wishbone.

Installation note:

Replace screw and nut.

Bolt head points in direction of travel.

Tighten down screw connection in NORMAL POSITION .

Fig 3: Removing Wishbone Screw

G10095358

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 or 32 00 155 KDS WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .