BMW 7 Series: Front Axle Suspension
REMOVE AND INSTALL/REPLACE STIFFENING PLATE (ALL-WHEEL DRIVE)
IMPORTANT: Observe safety instructions for raising the vehicle
Driving without stiffening plate is not permissible!
Necessary preliminary work
- Remove UNDERBODY PROTECTION in front and rear
Release screws (1).
Remove stiffening plate (reinforcement plate) (2).
Installation note:
Replace screws.
Tightening torque 31 10 2AZ.
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Fig. 15: Identifying Stiffening Plate (Reinforcement Plate) With Screws
REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION
Graphic is only an example. Detail deviations depending on model or engine
version are possible.
Unscrew all bolts.
Remove underbody protection (1) in direction of arrow from bumper trim (2).
Installation note:
Make sure underbody protection (1) is correctly seated.
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Fig. 16: Removing Underbody Protection From Bumper Trim
REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION
Necessary preliminary tasks
- Remove FRONT UNDERBODY PROTECTION
Unscrew all bolts.
Remove underbody protection (1).
Installation:
Make sure underbody protection (1) is correctly seated.
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Fig. 17: Locating Underbody Protection Bolts
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Lowering/Raising Front Axle Support (Universal Lifter)
Notes
IMPORTANT: Before lowering front axle support:
Observe SAFETY INFORMATION on raising the vehicle.
In order to avoid damage to vehicle hois
NOTE: Control arms with + or - marking (see graphic) are camber correction
arms:
- Underdimension variant
+ Overdimension variant
These camber correction arms are used to correct the camber values by
SEE MORE:
IMPORTANT: Do not damage adjoining body parts.
The illustrations are schematic representations and are to be applied to the
relevant vehicle type.
Open door.
Release screw on connector frame.
Front door: Tightening torque 41 51 4AZ.
Rear door: Tightening torque 41 52 4AZ.
Fig. 402: Locating Sc
Notes
IMPORTANT: Both coil springs on the relevant axle must be replaced only in
the event of
corrosion breakage!
The coil spring is allocated in the Electronic Parts Catalogue (EPC) under
the menu item "Spring table" after the
vehicle identification number has been entered and the relevant option