32 41 421 Replacing expansion hose part 2 (with ARS) (from T-piece to power steering gear) (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.

Necessary preliminary tasks:

Lower FRONT AXLE SUPPORT

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

Release screw (1) from line flange.

Tightening torque 37 13 8AZ .

Release holder (2).

Fig 1: Identifying Flange Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release block screw connection (1) on steering gear.

Tightening torque 32 41 5AZ .

Remove hydraulic line.

Fig 2: Identifying Screw Connection On Steering Gear

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 tightness
Carry out INITIAL DYNAMIC DRIVE OPERATION