32 41 331 Replacing pressure line for power steering (from steering box to junction) (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.

Close off hydraulic lines with plugs.

Recycling:

Catch and dispose of hydraulic fluid in a suitable collecting vessel.

Necessary preliminary work:

Draw off and dispose of hydraulic fluid from oil reservoir
Release hydraulic steering gear, see REMOVING AND INSTALLING HYDRAULIC STEERING GEAR or REMOVING AND INSTALLING ACTIVE FRONT STEERING HYDRAULIC STEERING GEAR

Release screw (1) and remove pressure line (2) from steering box.

Tightening torque 32 41 5AZ .

Fig 1: Identifying Steering Box Pressure Line With Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Remove return hose (1) from holder (2).

Fig 2: Identifying Steering Box Return Hose With Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 32 41 15AZ .

Release nut (2) on holder.

Tightening torque 32 41 7AZ .

Disconnect pressure line (3).

Installation note:

Replace all sealing rings.

Make sure hydraulic line is laid without tension and with sufficient distance to adjoining components.

Fig 3: Identifying Pressure Line With Screw And Nut On Holder

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed HYDRAULIC SYSTEM
Check line connections for leaks