31 12 000 Removing and installing/replacing left or right control arm (AWD)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

NOTE: If the control arm is detached from the front axle carrier, it is necessary after reinstallation to carry out a wheel/chassis alignment check.

Necessary preliminary tasks

Version with xenon lights:

Release nut (1) and remove jointed rod (2) from control arm (3).

Installation:

Replace self-locking nut.

Tightening torque 37 14 3AZ .

Fig 1: Identifying Control Arm And Jointed Rod Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) and remove bolt (2) towards front.

Press swivel bearing in area of compression strut outwards and remove control arm from front axle carrier.

Installation:

Make sure that diesel enclosure is correctly positioned to side of control arm.

Replace self-locking nut.

Tightening torque 31 12 3AZ .

Fig 2: Identifying Swivel Bearing Bolt And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) approx. 3 - -4 thread turns; if necessary, grip at hexagon.

If necessary, replace lower section 31 2 242 with lower section 31 2 246 .

Press off wishbone from swivel bearing using special tool 31 2 240 (consisting of 31 2 241 , 31 2 243 , 31 2 244 , 31 2 245 and 31 2 246 ).

Unscrew nut (1) and remove control arm.

Installation:

Keep journal on ball head and bushing in swivel bearing clean and free from oil and grease.

Replace self-locking nut.

Tightening torque 31 12 4AZ .

Fig 3: Removing Wishbone From Swivel Bearing Using Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: