32 41 430 Replacing ARS expandable hose part 1, from vane pump to expandable hose (AWD with N55 engine)

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT 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!
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.

IMPORTANT: Pressure line and connections must be provided with suitable seal plugs 32 1 270 immediately after removal!

Necessary preliminary tasks

Remove front UNDERBODY PROTECTION
Remove front stiffening plate (F12 all-wheel drive vehicles)
Remove FAN COWL
Remove front left CHARGE-AIR DUCT
Remove AIR INTAKE SILENCER HOUSING
Remove AIR CONDITIONING COMPRESSOR
Detach POWER STEERING PUMP from engine

Release pipe holder (1).

Release screws (2) on power steering pump and set line aside.

Tightening torque, 32 41 14AZ

Fig 1: Identifying Pipe Holder And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove nuts (1) from line clip on transmission.

Tightening torque, 32 41 17AZ

Fig 2: Identifying Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Turn power steering pump upward and release screws (1) from expandable hose.

Tightening torque 32 41 13AZ

Fig 3: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque, 37 13 8AZ

Remove expandable hose part 1 toward the top.

Fig 4: Identifying 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.

After installation

Fill and bleed HYDRAULIC SYSTEM
Check pipe connections for leaks
Carry out INITIAL DYNAMIC DRIVE OPERATION