32 41 311 Replacing suction line for power steering (N54)

WARNING: This page is about a different car, the 2010 BMW 535i, 2009 BMW 535i, and 2008 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Close off pipe connections with plugs.

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
Lower FRONT AXLE SUPPORT

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

Installation:

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

Fig 1: Identifying Markings On Suction Line And Vane Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Expose suction line up to connection on fluid reservoir.

Remove FLUID RESERVOIR FROM MOUNTING BRACKET/BODY.

Unfasten hose clip (1).

Disconnect suction line (2) from fluid reservoir.

Installation:

Make sure hydraulic 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
Check pipe connections for leaks