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

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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.

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 vehicle)
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

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Remove nuts (1) from line clip on transmission.

Tightening torque, 32 41 17AZ .

Fig 2: Identifying Transmission Line Clip And Nuts

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

Tightening torque 32 41 13AZ

Fig 3: Identifying Expandable Hose Screws

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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 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.

After installation:

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