32 41 431 Removing and installing/replacing ARS expansion hose part 2

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 plugs 32 1 270

Recycling:

Catch and dispose of hydraulic fluid in a suitable collecting vessel.

Necessary preliminary work:

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 fitted with suitable seal plugs immediately after removal!

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

Tightening torque 37 13 3AZ .

Fig 1: Identifying Pressure Lines Mounting Screws On Valve Block

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.

Fig 3: Identifying Line Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

IMPORTANT:

When assembling, make sure that in succession only the seal 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 tightness.
Carry out Dynamic Drive INITIAL OPERATION .