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:
Function of Air Springs
The various control modes on the F01/F02 are similar to those on other model
series such as the E70:
Fig. 131: EHC Control Mode Flowchart, F01/F02
Control Modes with Single-axle Air Suspension
Ongoing control operations are not affected by transitions from one mode to
anot
Fig. 1: Overview Of Propeller Shaft
Complete Propeller Shaft
Flexible Disc
Centring mount
Centre mount
REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT (FLEXIBLE DISC AT
REAR)
Necessary preliminary work
Remove complete EXHAUST SYSTEM
Remove heat shields
F03: Remove underbody panelling
IM