BMW 7 Series: Replacing An Upper Wishbone
NOTE: If the wishbone is detached from the rear axle support/wheel carrier, it will be necessary to carry out a wheel alignment procedure after assembly.
Necessary preliminary work
- Remove REAR WHEEL.
Shown on vehicle at rear right: Remove holders (1) from wishbone.
Installation note: Replace defective bracket.
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Fig. 108: Identifying Holders
Undo nut (1) and remove screw (2).
Tightening torque 33 32 9AZ Remove wishbone (3) from wheel carrier.
Installation note:
Keep wishbone to wheel carrier connection clean and free from oil and grease.
Replace screw and nut.
Tighten down bolt connection in NORMAL POSITION.
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Fig. 109: Identifying Screw, Nut And Wishbone
Mark position of eccentric adjustment washer to trailing arm to simplify subsequent adjustment of rear axle.
Release nuts (1) and remove eccentric washer.
Tightening torque 33 32 8AZ Pull out eccentric screw (2) and remove wishbone.
Installation note: Note direction of insertion of eccentric screw.
Align eccentric washer and install.
Replace nut.
Tighten down bolt connection in NORMAL POSITION.
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Fig. 110: Identifying Nuts And Eccentric Washer
After installation
- Perform chassis/wheel alignment check.
READ NEXT:
Axle Mounting
REPLACING ALL RUBBER MOUNTS FOR REAR AXLE SUPPORT
Notes
IMPORTANT: Before removing rear axle support:
In order to avoid damage to vehicle hoist, perform weight compensation on
vehicle.
Load luggage c
Active Rear Axle Kinematics
REMOVING AND INSTALLING/RENEWING INTEGRAL ACTIVE STEERING
Necessary preliminary tasks
LOWER REAR AXLE SUPPORT
Remove BOTH TOE ARMS
IMPORTANT: Screws (1) must not be released during removal!
Fig.
SEE MORE:
Mechanical Steering Gear
INFORMATION ON REPLACING STEERING BOX AFTER ACCIDENT DAMAGE
Situation
In the event of accidents or driving conditions similar to accidents,
shock-like loads can cause different types of
damage to steering boxes. When a steering box is externally undamaged, it is
sometimes only possible to
identify
Measuring Vehicle Ride Height
Determine actual ride height (A) _ to do so, attach tape measure to rim
flange (2) at bottom middle and measure
to wheel arch lower edge (1).
Fig. 28: Identifying Actual Ride Height From Rim Flange To Wheel Arch Lower
Edge
MOVING VEHICLE INTO DESIGN POSITION
Necessary preliminary work
Move VEHI
