32 41 060 Removing And Installing Vane Pump (N62, N62TU) For Power Steering (From 10/2003)

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

Necessary preliminary tasks:

Draw off and dispose off hydraulic fluid from fluid reservoir
Remove drive belt . See 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N62/N62TU) .
Remove front assembly underside protection . See 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .

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

Installation:

Align suction line (1) by way of marking to connection on vane pump.

Release nut and disconnect pressure line (2) from vane pump.

Installation:

Replace sealing ring.

Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.

Tightening torque 32 41 3AZ . See STEERING AND WHEEL ALIGNMENT - TIGHTENING TORQUES .

Fig 1: Identifying Suction Line And Pressure Line

Courtesy of BMW OF NORTH AMERICA, INC.

Variant (A) - build date up to 05/2004:

Release screws (1, 2).

Tightening torque 32 41 1AZ . See STEERING AND WHEEL ALIGNMENT - TIGHTENING TORQUES .

Remove vane pump.

Variant (B) - build date from 05/2004:

Release bolt (1) and nut (2).

Remove vane pump.

Installation:

Replace self-locking nut.

Tightening torque 32 41 1AZ . See STEERING AND WHEEL ALIGNMENT - TIGHTENING TORQUES .

Fig 2: Identifying Vane Pump Nut And Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed hydraulic system . See 32 13 006 BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) or 32 13 006 BLEEDING POWER STEERING UNIT .
Check pipe connections for leaks