32 41 033 Removing and installing/replacing power steering pump for power steering gear with active front steering (N62, N62TU)

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. 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. Seal off pipe connections with plugs.

Necessary Preliminary Tasks:

Draw off and dispose off hydraulic fluid from fluid reservoir.
Remove belt pulley. Refer to 32 41 100 REMOVING AND INSTALLING/REPLACING BELT PULLEY ON VANE PUMP FOR POWER STEERING .
Remove front assembly underside protection. Refer to 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .

Release banjo bolt (1) and detach pressure line from power steering pump.

Release hose clamp (2) and detach suction line from power steering pump.

Installation:

Replace sealing ring.

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

Tightening torque, refer to TORQUE SPECIFICATIONS .

Fig 1: Locating Banjo Bolt On Power Steering Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Fig 2: Identifying Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

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

Release screws (1, 2).

Tightening torque, refer to TORQUE SPECIFICATIONS .

Remove power steering pump (3) downwards.

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

Release bolt (1) and nut (2).

Tightening torque, refer to TORQUE SPECIFICATIONS .

Remove power steering pump (3) downwards.

Fig 3: Identifying Power Steering Pump Retaining Nut

Courtesy of BMW OF NORTH AMERICA, INC.

After Installation:

Fill and bleed hydraulic system. Refer to 32 13 006 BLEEDING POWER STEERING UNIT .
Check pipe connections for leaks.