32 41 431 Removing and installing/renewing Dynamic Drive expandable hose part 2 (in front wheel arch) (AWD)

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Special tools required:

32 1 270

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
DANGER 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 collecting vessel.

Necessary preliminary tasks:

Remove underbody protection
Remove reinforcement plate . See 31 11 040 REMOVE AND INSTALL/REPLACE STIFFENING PLATE (ALL-WHEEL DRIVE) or 31 11 039 REMOVING AND INSTALLING/REPLACING FRONT STIFFENING PLATE (ALL-WHEEL DRIVE VEHICLE)
Remove FRONT RIGHT WHEEL ARCH COVER REAR SECTION
Partially 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 Line Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1), take off heat shield and release line clip (2) from front axle support.

Tightening torque 37 13 9AZ .

Fig 2: Identifying Front Axle Support Line Clip And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Undo screws (1) from line flange and pull off expandable hose.

Tightening torque, 37 13 8AZ .

Remove expansion hose

Fig 3: Identifying Line Flange Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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 INITIAL DYNAMIC DRIVE OPERATION