37 12 220 Removing and installing/replacing rear active anti-roll bar

Special tools required: 

• 32 1 270

Risk of burning!

This repair work may only be carried out on an exhaust system which has cooled down.

In all warranty cases you must always provide a fault memory printout, even where there is no fault entry, with the defective component.

Necessary preliminary work 

• Remove LEFT REAR WHEEL .
• Remove trailing link on REAR AXLE (F07 ONLY) .
• REMOVE ANTI-ROLL BAR LINK ON BOTH SIDES FROM ANTI-ROLL BAR .
• REMOVE COVER FOR EXHAUST SYSTEM (F01/F02 ONLY). .
• LOOSEN THE BACK OF THE EXHAUST SYSTEM and lower the back part of the exhaust system (all except N57).
• Remove CROSS REINFORCEMENT on rear axle (F07 only).

Release screws (1) and remove pressure lines from swivel motor.

Tightening torque 37 13 4AZ .

Seal pressure lines and connections of swivel motor with clean seal plugs 32 1 270 .

Fig 1: Identifying Swivel Motor Pressure Line Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release left and right screws (1).

Tightening torque 37 12 2AZ .

Remove anti-roll bar from rear axle support and feed out at side.

Fig 2: Identifying Left And Right Anti-Roll Bar Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check roller bearing on both sides for damage, replace anti-roll bar if necessary (slight discharge of grease OK).

Keep facing for rubber mount on roller bearing clean and free from oil and grease during installation.

Check rubber mount (1) for damage, replace if necessary.

Note installation position of separation point (2).

Fig 3: Identifying Rubber Mount With Installation Position

Courtesy of BMW OF NORTH AMERICA, INC.

After installation 

• Fill and bleed HYDRAULIC SYSTEM .
• Check line connections for leak tightness.
• If necessary, start up DYNAMIC DRIVE OPERATION .