32 41 430 Replacing ARS expandable hose part 1 (from vane pump to expandable hose) (with N63 engine)

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 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 work:

Remove FAN COWL with electric fan.
Remove front UNDERBODY PROTECTION .
Remove left steering assembly COVER .
Remove FRONT ACTIVE STABILIZER .
Lower FRONT AXLE .

Release screw connection (1) on power steering pump and detach lines.

Tightening torque 37 13 10AZ .

Fig 1: Identifying Power Steering Pump Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release holder (1) on power steering pump.

Tightening torque 32 41 14AZ .

Fig 2: Identifying Power Steering Pump Holder Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Only vehicles with N63 before model year 07/2012:

Release screw connection (1) from silencer.

Tightening torque 37 13 13AZ .

Release screw connection (2) from holder.

Remove silencer.

Fig 3: Identifying Silencer And Holder Screw Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Release holder (1).

Fig 4: Identifying ARS Expandable Hose Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Release block screw connection (1) and pull off line.

Tightening torque 37 13 8AZ .

Release holder (1).

Tightening torque 37 13 7AZ .

Fig 5: Identifying Line Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Feed out pressure line downwards!

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 pipe connections for leaks.
Start up DYNAMIC DRIVE .