32 41 037 Removing and installing/replacing power steering pump for power steering gear with Dynamic Drive (N62, N62TU)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Danger to life!
Secure engine in installation position to prevent it from falling down.

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

NOTE: When replacing power steering pump:
Fluid reservoir must be replaced in event of metal abrasion, sluggish pump shaft or increased wear!
The filter integrated in the fluid reservoir can only absorb a limited amount of foreign particles. If the filter clogs, the hydraulic system can no longer be sufficiently protected.
Metal abrasion is perceived in the fluid reservoir as metallically glittering hydraulic fluid.
It is only necessary to replace the fluid reservoir because of leaks (e.g. at hose connections) only in the event of the unavoidably high ingress of dirt.

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
Relieve tension on drive belt and remove from power steering pump belt pulley
Lower front axle carrier . See 31 11 506 LOWERING/RAISING FRONT AXLE CARRIER .

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

Unscrew nut (3).

Tightening torque, 32 41 6AZ. See STEERING AND WHEEL ALIGNMENT - TIGHTENING TORQUES .

Release banjo bolt (2) and detach pressure line for Dynamic Drive from power steering pump.

Release banjo bolt (4) and disconnect pressure line for power steering from power steering pump.

Installation:

Replace all sealing rings.

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 Banjo Bolts And Hose Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

Version with active front steering: Disconnect plug connection (1).

Release screw (2).

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

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

Remove power steering pump (3) downwards.

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

Release bolt (1) and nut (2).

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

Remove power steering pump (3) downwards.

Fig 3: Identifying Power Steering Pump

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
Carry out steering angle sensor adjustment/adjustment for active front steering . See 61 31 996 Carry out steering angle sensor adjustment .
If necessary, carry out initial Dynamic Drive operation . See 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .