BMW 7 Series: Removing And Installing Complete 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 compartment with sand bags.
Necessary preliminary work
- Remove REAR WHEELS
- Remove EXHAUST SYSTEM
- Remove PROPELLER SHAFT from rear axle
- Expose CABLE FOR EMERGENCY RELEASE UP TO REAR AXLE SUPPORT
- Disconnect PLUG CONNECTION ON ACTUATOR UNIT (PARKING BRAKE)
- Unclip lines for pulse sensor and brake pad wear sensor
- If necessary, disconnect PRESSURE LINES to swivel motor at active stabilizer
- Disconnect plug connection at both ride height sensors
- Remove BOTH REAR SHOCK ABSORBERS FROM WHEEL CARRIER
- REMOVE BOTH BRAKE CALIPERS ON WHEEL CARRIER and tie back
Engage special tool 31 5 251 with a 2nd person helping completely on workshop jack 00 2 030.
Insert special tools 31 5 255 in telescopic supports of a profile rail pair.
NOTE: In a profile rail pair, two profile rails are connected to one another by gearing.
Insert special tools 31 5 253 in telescopic supports of other profile rail pair.
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Fig. 81: Inserting Special Tools (31 5 255) In Telescopic Supports Of Profile
Rail Pair
NOTE: The mounting points on the left side are shown.
Align special tool 31 5 255 to opening in rear axle support.
Align special tool 31 5 253 to cross member arms on rear axle support.
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Fig. 82: Aligning Special Tool (31 5 255) And (31 5 253) To Rear Axle Support
Release screws (4).
Tightening torque 33 33 1AZ.
Installation note: Arrow (1) on stop plate (2) must point in direction of travel! Remove FRONT COMPRESSION STRUTS (3).
Carefully lower rear axle support and remove.
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Fig. 83: Identifying Stop Plate Installation Position
After Installation note
- ADJUSTING PARKING BRAKE
- If necessary, carry out COMMISSIONING FOR DYNAMIC DRIVE
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Replacing Rear Axle Support
IMPORTANT: Before removing rear axle support:
In order to avoid damage to vehicle hoist, perform weight compensation on
vehicle.
Load luggage compartment with sand bags.
Necessary preliminary work
Removing And Installing/Replacing A Steering Stub/Wheel Carrier
Remove REAR WHEEL.
IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread
when releasing
collar nut.
Release collar nut (1), activate parking brake for this purpose.
Installation no
SEE MORE:
Removing And Installing Or Replacing Airbag Module On Front
Passenger Side
IMPORTANT: Operations on pyrotechnical devices may only be carried out by
authorized
experts.
Improper, unauthorized operations may result in serious dangers.
Unauthorized persons are strictly prohibited from performing any operations
on this system.
WARNING: Read and comply with SAFETY INSTRUCTI
Removing Hydraulic Chain Tensioner For Timing Chains On Right Side
(N63)
Notes
WARNING: Chain tensioner is pre-tensioned.
Release lock pin only in installed state.
Danger of injury!
IMPORTANT: Risk of damage!
The engine must not be cranked when the chain tensioner is removed.
The timing chain may jump.
Necessary preliminary work
Remove TIMING CASE COVER at top right
