32 41 435 Removing and installing/replacing Dynamic Drive in the wheel arch (vehicles with hydraulic power steering)

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

DANGER OF POISONING if oil is ingested/absorbed through the skin!

RISK OF INJURY if oil comes into contact with eyes and skin!

IMPORTANT:

Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.

Do not draw off hydraulic fluid (risk of contamination).

Close off line connections with seal plug 32 1 270 .

Recycling:

Catch and dispose of hydraulic fluid in a suitable expansion tank.

Necessary preliminary work:

Remove front right wheel arch cover. See REMOVING FRONT WHEEL ARCH COVER (FRONT SECTION) and REMOVING FRONT WHEEL ARCH COVER (REAR SECTION) .
Remove UNDERBODY PROTECTION
Remove right STEERING ASSEMBLY COVER
Release front right UNDERBODY PANELLING

IMPORTANT: Pressure lines must be closed off with suitable seal plugs 32 1 270 immediately after removal!

Release screw (1) for return line.

Fig 1: Identifying Return Line Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

IMPORTANT: When tightening the screw connection (1), apply counter support with wrench (3) at the line (2)!
Non-compliance will result in damage to the line (2)!
Tightening torque 37 13 12AZ .

Fig 2: Supporting Return Line Using Wrench

Courtesy of BMW OF NORTH AMERICA, INC.

Release line clips (1) and (2) from front axle support.

Fig 3: Identifying Clips On Front Axle Support

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) in area of lower wishbone.

Tightening torque 37 13 8AZ .

Fig 4: Identifying Screw On Lower Wishbone

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

When assembling, make sure that in succession only the sealing plugs of the line to be fitted are removed.

When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.

Do not replace sealing rings on hydraulic lines.

Replace affected line if sealing ring is damaged.

After installation:

Fill and bleed HYDRAULIC SYSTEM
Check line connections for leak tightness
Perform INITIAL OPERATION OF DYNAMIC DRIVE