37 12 070 Removing and installing / replacing rear left or right air suspension strut: Notes
WARNING: This page is about a different car, the 2011 BMW 750xi and 2010 BMW 750xi. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Danger of injury!
Drain the air suspension system before carrying out any work on the air supply system, air pipes and air spring struts! Danger of injury if this instruction is not complied with!
Risk of damage!
Extreme cleanliness must be ensured at the connection face of the pipes during dismantling and installation. Even the smallest of dirt particles can cause leakage in the air suspension system.
Drain the air suspension system before carrying out any work on the air supply system, air pipes and air spring struts! Danger of injury if this instruction is not complied with!
Risk of damage!
Extreme cleanliness must be ensured at the connection face of the pipes during dismantling and installation. Even the smallest of dirt particles can cause leakage in the air suspension system.
NOTE:
Read and comply with NOTES ON AIR SUSPENSION SYSTEM .
In a warranty case you must always provide a fault memory printout, even where there is no fault entry, with the defective part.
In a warranty case you must always provide a fault memory printout, even where there is no fault entry, with the defective part.
Necessary preliminary tasks:
- Deactivating air suspension system:
- Raise vehicle on lifting platform.
- Remove ignition key
- Pull out fuse for air spring system in luggage compartment at rear right
- Remove REAR WHEEL ARCH COVER
- Remove rear window shelf (parcel shelf). See TRIM PANEL FOR STORAGE SHELF or TRIM PANEL FOR STORAGE SHELF WITH ROLLER SUNBLIND .
- Release CARBON CANISTER on right wheel arch.
WARNING:
Danger of injury!
Do not disassemble the air spring strut! Air suspension strut is still under a certain residual pressure even after the pipe is disconnected.
Do not disassemble the air spring strut! Air suspension strut is still under a certain residual pressure even after the pipe is disconnected.
IMPORTANT:
Risk of damage!
Do not kink, twist or crush pipes.
Do not kink, twist or crush pipes.
Carefully slacken banjo bolt (1) on air spring strut (2) until the sound of escaping air can be heard.
Tightening torque 37 12 1AZ .
NOTE:
Wait roughly 2 minutes until the pressure on the left side and/or right side of the air spring system is completely reduced (hissing sound stops).
Only fully release banjo bolt (1) after pressure has completely reduced.
Installation note:
- Check banjo bolt(s) for dirt, clean if necessary.
- Carefully screw in banjo bolt(s) by hand to avoid damaging the thread and with it the air spring strut.
Unfasten plug connection (1) and disconnect.
Unclip line from holder.
Installation note:
Check holder for damage and replace if necessary.
Fold sound insulation (1) upwards.
Unscrew nuts (2).
Tightening torque 37 12 4AZ .
Installation note:
Replace self-locking nuts.
Release screw.
Tightening torque 37 12 5AZ .
Press air spring strut off wheel carrier and remove towards bottom.