33 31 000 Removing and Installing Complete Rear Axle Support

33 31 000 Removing And Installing Complete Rear Axle Support







WARNING:
Danger of injury.
Failure to comply with the following instructions may result in the vehicle slipping off the vehicle hoist and critically injuring other persons.
Load the luggage compartment with a minimum of 100 kg before lowering/removing the rear axle support. This prevents the vehicle from tilting or sliding off the vehicle hoist.
When supporting components, make sure that:
- the vehicle can no longer be raised or lowered
- the vehicle does not lift off the locating plates on the vehicle hoist.







IMPORTANT: Before lowering/removing rear axle support:

Observe safety information for raising the vehicle
In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.







Necessary preliminary tasks:
- R55, R56, R58: Remove underbody panelling on left and right.
- Remove exhaust system and thermal insulation.
- Disengage handbrake Bowden cables from brake caliper and remove from rear axle support
- If necessary, remove ride height sensor with holder
- Remove upper and lower wishbones







Press brake pedal down to floor and secure with pedal support.

NOTE:
The pedal support may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.







IMPORTANT: Grip brake hose at square drive to prevent connector from turning in retaining bracket.

Detach brake hose (1) on left and right from brake line.
Tightening torque 34 32 1AZ. 00 00 Excerpt From Company Standard BMW GS 90003-2
Disengage cables for pulse sensor and brake pad wear sensor from rear axle support.







Release left and right screws (1).
Tightening torque 33 55 3AZ 00 00 Excerpt From Company Standard BMW GS 90003-2







WARNING:
Support fuel tank and rear axle support over a wide surface separately from each other.







Release screws (3) of rear tank mounting.
Tightening torque 16 11 3AZ. 00 00 Excerpt From Company Standard BMW GS 90003-2
Release screws (1,2).
Tightening torque 33 31 1AZ.
Lower rear axle support and feed out parking brake Bowden cables.

Installation note:
Replace microencapsulated screws.

Make sure screws are installed in correct positions.
- Screw (1) M12x62
- Screw (2) M 12x132







After installation:
- Bleed brake system.
- Perform wheel alignment.