32 13 065 Removing and installing active front steering hydraulic steering gear

Necessary preliminary tasks: 

• Draw off and dispose of hydraulic fluid from fluid reservoir
• Remove underbody protection at front and rear. See REMOVING FRONT UNDERBODY PROTECTION and REMOVING REAR UNDERBODY PROTECTION .
• Remove COVER FOR STEERING ASSEMBLIES on left and right
• Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING 
• Remove LOWER SECTION OF STEERING SPINDLE FROM STEERING GEAR 
• Replacement only: Remove TRACK ROD END AT BOTH ENDS OF TRACK ROD 
• Vehicles with Dynamic Drive:
  • Remove FRONT ANTI-ROLL BAR .
  • Remove EXPANSION HOSE 

Fig 1: Identifying Marks On Steering Gear Box And Front Bolting Points

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1).

Tightening torque 32 41 7AZ .

Release screw (2) on bracket.

Tightening torque 32 41 7AZ .

Release screw (3).

Tightening torque 32 00 1AZ .

Fig 2: Identifying Front Axle Nut And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Fig 3: Identifying Plug Connections

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Pull hydraulic steering gear towards front a little.

Unfasten plug connection (1) and disconnect.

Release screw (2) and remove lines (3) from hydraulic steering gear.

Tightening torque 32 41 5AZ .

Remove power steering gear in downward direction.

Fig 4: Identifying Plug Connections And Hydraulic Steering Gear Screw And Fluid Lines

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: 

• Fill and bleed hydraulic system. See BLEEDING POWER STEERING UNIT  or BLEEDING POWER STEERING (VEHICLES WITH DYNAMIC DRIVE) .
• Check line connections for leaks
• ADJUSTMENT FOR ACTIVE STEERING 
• If necessary, carry out INITIAL DYNAMIC DRIVE OPERATION