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

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

32 1 270

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!

Risk of burning!

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

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Close off pipe connections with seal plugs. 32 1 270

NOTE: A film of grease on the roller bearing in no way impairs the operability of the anti-roll bar.
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. See EXHAUST SYSTEM (N55) or EXHAUST SYSTEM (N63) .
Remove CROSS REINFORCEMENT on rear axle (F07 only)

IMPORTANT: Hydraulic lines and connections must be provided with suitable seal plugs 32 1 270 immediately after dismantling!

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 Pressure Line 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 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 And Separation Point

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: When assembling, make sure that in succession only the seal plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.

After installation

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