32 41 431 Removing and installing/replacing Dynamic Drive expansion hose part 2 (in front wheel arch) (vehicles with hydraulic power steering)

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.

Special tools required:

32 1 270

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 container.

Necessary preliminary tasks:

Remove UNDERBODY PROTECTION
Remove front REINFORCEMENT PLATE .
Partially detach front right COVER of wheel arch rear section
Remove right UNDERBODY PANELLING

IMPORTANT: Pressure line and connection on valve block must be closed off with suitable sealing plugs immediately after removal!

Release screw (1) for pressure line on valve block.

Tightening torque 37 13 3AZ .

Fig 1: Identifying Power Steering Pump Pressure Line Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nuts (1) and (2) on front axle support.

Tightening torque 37 13 9AZ .

Fig 2: Identifying Front Axle Support Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release line screw connection (1) in engine compartment and disconnect line.

Tightening torque 37 13 8AZ .

Remove line towards front.

Installation note:

Make sure pressure lines are laid without tension and with sufficient distance to adjoining components.

Fig 3: Identifying Line Screw Connection

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
Carry out INITIAL DYNAMIC DRIVE OPERATION