31 11 001 Replacing front axle support

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Danger of injury!

Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.

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 front axle support:

- Observe SAFETY INFORMATION for raising the vehicle

- In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.

- Load spring strut domes with sand bags.

WARNING: SECURE ENGINE IN INSTALLATION POSITION WITH SPECIAL TOOL to prevent it from falling down.

Necessary preliminary tasks:

Secure ENGINE IN INSTALLATION POSITION .
Lower FRONT AXLE SUPPORT .
Remove HYDRAULIC STEERING GEAR .
Remove BOTH LOWER CONTROL ARMS FROM FRONT AXLE CARRIER .
Remove BOTH TENSION STRUTS FROM FRONT AXLE CARRIER .

IMPORTANT:

Only vehicles with N63 and all-wheel drive/Dynamic Drive:

If applicable, convert/replace acoustic strut (1).

Installation note:

Tightening torque 31 10 3AZ .

Insert BLIND RIVET NUTS for the acoustic strut when installing a new front axle support.

Fig 1: Identifying Acoustic Strut

Courtesy of BMW OF NORTH AMERICA, INC.

Remove both engine mounts from front axle support. See appropriate engine/configuration in ENGINE MOUNTING .

Take down the front axle support and place on a suitable support.

Installation note:

Use previous front axle support as a template for modifying or replacing small parts.

Fig 2: Identifying Front Axle Support

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Carry out wheel alignment procedure. See ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .