32 41 420 Replacing expansion hose (with ARS) (from vane pump to steering box) N74

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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 pipe connections with plugs 32 1 270

Recycling:

Catch and dispose of hydraulic fluid in a suitable container.

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

Necessary preliminary tasks:

Lower FRONT AXLE SUPPORT
Release and disengage front ACTIVE STABILIZER BAR
Remove pressure lines from active stabilizer bar. See PRESSURE LINE FOR VA1 SWIVEL MOTOR and PRESSURE LINE ON VA2 SWIVEL MOTOR .

Release screw (1) on holder.

Tightening torque 32 41 7AZ .

Release screws (1) and (2).

Fig 1: Identifying Screw On Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 32 41 7AZ .

Fig 2: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) on steering gear.

Pull off line (2) and (3).

Installation:

Tightening torque 32 41 5AZ .

Replace sealing rings.

Fig 3: Identifying Screw On Steering Gear And Line

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque 37 13 10AZ .

Installation:

Replace sealing rings.

Fig 4: Identifying Screw Connection On Power Steering Pump

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