32 41 435 Removing and installing/replacing ARS return line in wheel arch (AWD vehicles)

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!
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.

Necessary preliminary tasks

Remove front right wheel arch covers. See WHEEL ARCH COVER (FRONT SECTION) and WHEEL ARCH COVER (REAR SECTION) .
Remove UNDERBODY PROTECTION
Remove STIFFENING PLATE (F01/F12 all-wheel drive vehicles)
Remove right STEERING ASSEMBLY COVER
Release front right UNDERBODY PANELLING

IMPORTANT: Pressure lines must be closed off with suitable seal plugs 32 1 270 immediately after removal!

Release screw (1) for return line.

Fig 1: Identifying Screw For Return Line

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

NOTE: When tightening the screw connection (1), hold line (2) with pliers (3).

Non-compliance will result in damage to the line (2)!

Tightening torque 37 13 12AZ .

Fig 2: Tightening Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Undo holder (1) at front axle support.

Fig 3: Identifying Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt (1) on line flange, release holder (2) at front axle support and remove return line toward the rear.

Tightening torque 32 41 19AZ .

Fig 4: Identifying Holder And Bolt

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.
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
Carry out START-UP DYNAMIC DRIVE OPERATION