BMW 7 Owners & Service Manuals

BMW 7 Series: Removing And Installing/Replacing Rear Active Anti-Roll Bar

Notes

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 (all except N57)
  • 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.

Rear Control And Suspension Elements
Fig. 43: Identifying Swivel Motor Pressure Line Mounting Screws

Release left and right screws (1).

Tightening torque 37 12 2AZ.

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

Rear Control And Suspension Elements
Fig. 44: Identifying Screws

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).

Rear Control And Suspension Elements
Fig. 45: Identifying Rubber Mount With Installation Position

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

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