32 41 311 Replacing suction line for power steering (N52, N53)

WARNING: This page is about a different car, the 2010 BMW 528i, 2009 BMW 528i, and 2008 BMW 528i. 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 pipe connections with plugs.

Recycling:

Catch and dispose of hydraulic fluid in a suitable container.

Observe country-specific waste-disposal regulations

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
Remove front underbody protection . See 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .
Remove intake filter housing . See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING .

Unfasten hose clip (1).

Detach suction line (2) from vane pump.

Installation:

Marking (P) must point to vane pump.

Align suction line (2) by way of marking (P) to connection on vane pump.

Fig 1: Identifying Suction Line And Hose Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Expose suction line up to connection on fluid reservoir.

Remove fluid reservoir bracket from body.

Unfasten hose clip (1).

Disconnect suction line (2) from fluid reservoir.

Installation:

Make sure suction line is laid without tension and with sufficient spacing to adjoining components.

Fig 2: Identifying Suction Line And Hose Clip

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed hydraulic system or power steering (version with Dynamic Drive) .
Check pipe connections for leaks