32 41 060 Removing and installing/replacing vane pump for power steering (S85)

WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2006 BMW M5. 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.
Seal off hydraulic lines with plugs.

Recycling:

Catch and dispose of hydraulic fluid in a suitable expansion tank.

Observe country-specific waste disposal regulations

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
Remove FAN COWL with electric fan
Remove BELT PULLEY
Remove DRIVE BELT TENSIONER
Remove FRONT UNDERBODY PROTECTION

Unclip cover, release screw (1) and remove deflection pulley (2).

Release screws (3, 4).

Fig 1: Identifying Deflection Pulley And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release banjo bolt (1).

Disconnect pressure line (2) from vane pump.

Installation:

Replace sealing rings.

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

Tightening torque: see 3AZ in 32 41 PUMP AND OIL SUPPLY

Release hose clamp (3) and detach suction line (4) from vane pump.

Release screws (5) and remove vane pump towards the front.

Tightening torque: see 1AZ in 32 41 PUMP AND OIL SUPPLY

Fig 2: Identifying Pressure Line From Vane Pump And Banjo Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed HYDRAULIC SYSTEM
Check pipe connections for leaks