BMW 7 Series: Information On Replacing Shock Absorbers
Situation
When a shock absorber is faulty on one side (leaking, noises, limit values exceeded on the shock tester), often both shock absorbers on the axle in question are replaced.
Effect
This is not necessary for technical reasons and causes the manufacturer not to recognize the unnecessarily removed shock absorbers as defective parts. Unnecessarily high costs for the customer can be avoided by replacing the shock absorber on one side only.
Procedure
If one shock absorber is damaged, it is only necessary to replace both shock absorbers when the car has driven in excess of 80 000 km.
Exception: On all M - GmbH models, when a limit value is exceeded on one side, it is still necessary always to replace both shock absorbers on the relevant axle.
REMOVING AND INSTALLING REAR LEFT OR RIGHT SPRING STRUT
Necessary preliminary tasks:
- Remove REAR WHEEL
- Remove WHEEL ARCH COVER
- Remove STOWAGE SHELF
Release screw (1).
Tightening torque 33 52 3AZ.
IMPORTANT: Secure spring strut shock absorber against falling out.
Remove spring strut shock absorber from wheel carrier and tie up.
Installation: Replace screw.
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Fig. 137: Identifying Air Spring Strut Bolt
Disconnect plug connection (1) and remove from cable guide (2).
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Fig. 138: Identifying Cable Guide And Connector
Fold back sound insulation (1) and release nuts (2).
Tightening torque 33 52 1AZ.
Installation: Replace self-locking nuts.
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Fig. 139: Folding Acoustic Insulation Upwards
Press wheel carrier downwards, guide spring strut shock absorber downwards between guide arm and control arm and then remove in upwards direction.
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Fig. 140: Removing Shock Absorber
IMPORTANT: Before tightening screw connection, check that spring strut shock absorber pin is correctly positioned in wheel carrier.
READ NEXT:
Replacing Rear Left Or Right Spring Strut Shock Absorber
WARNING: Prior to each use of special tool 31 3 340, it is essential to
read the
associated Owner's Handbook fully!
All the safety information and instructions contained in the Owner's
Handbook must
Stabilizer Bar
REMOVING AND INSTALLING/REPLACING REAR ANTI-ROLL BAR
Necessary preliminary tasks
Remove both ANTI-ROLL BAR LINKS FROM ANTI-ROLL BAR
Release screws (1).
Tightening torque 33 55 1AZ.
Installation:
R
SEE MORE:
Checking Front And Rear Wheel For Lateral And Radial Runout
Necessary preliminary tasks
Check wheel bearings
Lift vehicle.
Check wheel with special tool 36 1 030 (measuring fixture) for lateral runout.
Fig. 1: Checking Wheel Lateral Runout Using Special Tool (36 1 030)
Check wheel with special tool 36 1 030 (measuring fixture) for radial runout.
Fig. 2
Replacing Outer Section Of Left Or Right Rear Wheel Housing (Side
Panel Removed)
Read contents of BODY, GENERAL.
Spot-weld bonding is used on this vehicle. Observe specific procedure See
SPOT-WELD BONDING
STEEL PARTS.
Remove or cover those vehicle components in the repair area which are
susceptible to heat or dust.
Use only approved SPOT-WELDING APPARATUS for repairs.
Neces
