32 41 433 Removing and installing/replacing ARS expansion hose part 4 (RWD with N63 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!
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!

ARS expansion hose part 4 overview:

1	Line 1
2	Line 2
3	Line 3

Fig 1: Identifying Lines

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Removing line 1:

Necessary preliminary tasks:

Lower FRONT AXLE SUPPORT

Release screws (1) from line flange in engine compartment.

Replace sealing ring.

Tightening torque 37 13 8AZ .

Fig 2: Identifying Line Flange Screws

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Release screw (1) from holder of oil cooler line over front axle carrier.

Release holder of pressure line (2) in front axle carrier (see arrow).

Fig 3: Releasing Holder

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Release screw connection (1) on T-piece.

Tightening torque 37 13 5AZ .

Feed out line through wheel arch.

Fig 4: Identifying Screw Connection

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Removing line 2:

Necessary preliminary tasks:

Remove UNDERBODY PROTECTION
Release ACTIVE STABILIZER from front axle carrier and tie up
Remove front pressure line from active stabilizer
Remove ARS EXPANSION HOSE PART 3

Release both nuts (1) from line holder.

Release screw connection (2) and remove line.

Tightening torque 37 13 5AZ .

Fig 5: Identifying Nuts And Screw Connection

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Removing line 3:

Necessary preliminary tasks:

Remove UNDERBODY PROTECTION
Remove ACTIVE STABILIZER from front axle carrier and hang up
Remove front pressure line from active stabilizer
Remove ARS EXPANSION HOSE PART 3

Unfasten screw fitting (1).

Tightening torque 37 13 5AZ .

Fig 6: Identifying Screw Fitting

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Release screw (1) on line holder.

Feed out line upwards to remove.

Fig 7: Identifying Screw On Line Holder

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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