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.
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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.
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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).
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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
READ NEXT:
Replacing Pipes For Air Springs
WARNING: Risk of injury!
Drain the air spring system before carrying out any work on the air supply
unit, air pipes and air springs! Danger of injury if this instruction is not
complied with!
Risk of
Notes On Fitting A New Pipe Or A Screw Connection
IMPORTANT: Do not kink, twist or crush lines.
Do not disassemble screw connection!
Fitting new screw connection
Insert complete new screw connection consisting of toothed ring (1), banjo
bolt (2) an
SEE MORE:
Conducting Leak Test On Fuel Tank And Tank Venting System
IMPORTANT: On vehicles with tank leak diagnosis modules (DMTL), do not
work with
external pressurization as the tank ventilation system will leak under this
condition.
On account of emerging fuel vapors, carry out all work in well ventilated rooms.
Or use a suitable extractor system.
Observe cou
Instructions For Disconnecting And Connecting Battery
Observe SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY.
Before disconnecting battery
Turn off the ignition and other electrical loads/consumers to prevent
sparking when reconnecting.
NOTE: If the ignition is not turned off when the battery is disconnected,
fault memories
may be set in some contr
