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32 41 431 Removing and installing/replacing ARS expansion hose part 2: Notes

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required 

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.

Necessary preliminary tasks: 

IMPORTANT: Pressure line and connection on valve block must be fitted with suitable seal plugs immediately after removal!

Release screw (1) for pressure line on valve block.

Tightening torque 37 13 3AZ .

Fig 1: Identifying Valve Block Mounting Screws
G08504800Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nuts (1) and (2) on front axle support.

Tightening torque 37 13 9AZ .

Fig 2: Identifying Front Axle Support Nuts
G08504801Courtesy of BMW OF NORTH AMERICA, INC.

Release line screw connection (1) in engine compartment and disconnect line.

Tightening torque, 37 13 8AZ.

Remove line towards front.

Fig 3: Identifying Line Screw Connection
G08504802Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Make sure pressure lines are laid without tension and with sufficient distance to adjoining components.

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.