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.

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.

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.

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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