BMW 7 Series: 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!
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Fig. 118: Identifying Screws
Unlock and disconnect plug connections (1) from steering.
Release screw (2) and remove earth cable.
Tightening torque 33 34 4AZ.
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Fig. 119: Identifying Plug Connections And Screw
Release screw (1).
Tightening torque 33 34 2AZ.
Release screw (2).
Tightening torque 33 34 1AZ.
Installation: Observe assembly sequence to prevent integral active steering from jamming during installation.
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Fig. 120: Identifying Screw
Release bolts (1) and remove integral active front steering towards bottom.
Tightening torque 33 34 3AZ.
Installation: Observe assembly sequence to prevent integral active steering from jamming during installation.
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Fig. 121: Identifying Bolts
IMPORTANT: Observe assembly sequence.
Tighten bolts of integral active steering on rear axle carrier, see picture.
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Fig. 122: Identifying Integral Active Steering Bolts
After installation
- Carry out startup of integral active steering with aid of BMW diagnosis system (see Service function/Deflection test).
- Perform chassis/wheel alignment check.
REMOVING AND INSTALLING/REPLACING CONTROL UNIT FOR REAR AXLE SLIP CONTROL
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION).
Necessary preliminary tasks
- REMOVE BATTERY
Unlock plug connection (1) on control unit (2) and disconnect.
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Fig. 123: Identifying Plug Connection And Control Unit
Release nut (1) and remove control unit (2).
Tightening torque 33 34 5AZ.
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Fig. 124: Identifying Nut And Control Unit
After installation
- Replacement only: Carry out PROGRAMMING/ENCODING
READ NEXT:
Detaching Wheel Bearing Inner Ring From Drive Flange (Drive Flange
Removed)
Notes
IMPORTANT:
Special tool 33 4 409 must not be removed!
Insert special tool 33 4 408 into special tool 33 4 401.
Fig. 125: Positioning Special Tools (33 4 408), (33 4 401) And (33 4 409)
Posi
Replacing Drive Flange On Left/Right Rear Axle Shaft
Necessary preliminary work
Remove REAR WHEEL.
IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread
when releasing
collar nut.
Activate parking brake and release collar nut.
Tig
SEE MORE:
Overview Of Rear Lights
Fig. 84: Identifying Rear Light Cluster Components
Rear light, left (side panel)
Rear light, left (on tail panel)
Reflector, rear
Additional brake light
REMOVING AND INSTALLING/RENEWING CHROME TRIM ON LEFT OR RIGHT
REAR LIGHT
Necessary preliminary tasks
Remove PANEL FOR TAILGATE
Remove lef
Service Information
Initialization
Initialization of the slide/tilt sunroof involves the following procedures
that are necessary to ensure complete
functionality of the slide/tilt sunroof:
Normalization
Normalization means locating the mechanical end position at the stop for the
tilt position. This position is st
