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 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 container.

Necessary preliminary tasks:

Remove right FRONT WHEEL
Remove FRONT RIGHT WHEEL ARCH COVER REAR SECTION
Remove UNDERBODY PROTECTION
Remove right STEERING ASSEMBLY COVER
Remove right UNDERBODY PANELLING

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

Release screws (2) and tie lines to one side.

Tightening torque 37 13 3AZ .

Fig 1: Identifying Power Steering Pump Lines Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque 37 13 3AZ .

Fig 2: Identifying Power Steering Pump Pressure Line Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove rubber damper (1).

Installation:

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

Fig 3: Identifying Rubber Damper

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) from line flange in engine compartment.

Remove pressure line towards rear.

Tightening torque 37 13 8AZ .

Fig 4: Identifying Engine Compartment Flange Line Screws

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