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

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IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Seal off hydraulic lines with plugs.

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 (N52K) .

Remove fluid reservoir from mounting bracket/body.

Release hose clamp (1) and detach suction line (2) from fluid reservoir.

Installation:

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

Fig 1: Hose Clamp And Suction Line

Courtesy of BMW OF NORTH AMERICA, INC.

Expose suction line up to connection on vane pump.

Release hose clamp (1) and detach suction line (2) from vane pump.

Installation:

Markings (3) on suction line and vane pump must match up.

If a marking is missing, it is important to ensure when installing the hydraulic line that it is laid without tension and with sufficient spacing to adjoining components.

Fig 2: Hose Clamp And Suction Line

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed hydraulic system, see 32 13 006 Bleeding power steering unit .
Check pipe connections for leaks