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

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.

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

Necessary preliminary tasks:

Remove left FRONT WHEEL
Remove front UNDERBODY PROTECTION
Remove left steering assembly COVER
Remove FAN COWL with electric fan
Release and disengage front ACTIVE STABILIZER BAR
Remove pressure lines from active stabilizer bar. See REMOVING PRESSURE LINE FOR VA1 SWIVEL MOTOR and REMOVING PRESSURE LINE ON VA2 SWIVEL MOTOR .

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

Tightening torque 37 13 10AZ .

Fig 1: Identifying Screw Connection On Power Steering Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Release holder (1) on power steering pump.

Fig 2: Identifying Holder On Power Steering Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Release holder (1).

Fig 3: Identifying Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw connection (1) on T-piece and remove expansion hose (3) towards top.

Tightening torque 37 13 11AZ .

Fig 4: Identifying Screw Connection On T-Piece And Expansion Hose

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 leaks
Carry out INITIAL DYNAMIC DRIVE OPERATION