32 13 060 Removing and installing / replacing power steering gear

Necessary preliminary tasks: 

• Move engine into installation position
• Draw off and dispose off hydraulic fluid from fluid reservoir Observe country-specific waste-disposal regulations
• Remove tie rod end on both sides from swivel bearing
• Replacement only: Remove tie rod end at both ends of tie rod
• Remove lower steering spindle from power steering gear

If necessary, remove heat shield from power steering gear.

Release banjo bolts (1, 4).

Version with Servotronic: Disconnect plug connection on Servotronic converter.

Disconnect pressure line (2) and return line (3) from power steering gear.

If necessary, remove hydraulic lines with bracket from power steering gear/front axle carrier.

Fig 1: Disconnecting Pressure Line And Return Line From Power Steering Gear

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replacement only: Replace banjo bolt (A) for pressure line with banjo bolt with non-return valve (B).

Replace sealing rings.

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

Fig 2: Identifying Banjo Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

Lower front axle support.

Remove left engine mount/mounting bracket from front axle carrier.

Release screw (1).

Release nuts (2) and remove screws towards bottom.

Fig 3: Removing Lower Front Axle Support

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace screws and self-locking nuts.

Version with active front steering:

Unlock and disconnect plugs (1...4).

Raise power steering gear and unclip wiring harness.

Fig 4: Raising Power Steering Gear And Unclip Wiring Harness

Courtesy of BMW OF NORTH AMERICA, INC.

Move power steering gear to right and remove towards rear.

After installation:

• Fill and bleed hydraulic system, refer to 32 13 006 BLEEDING POWER STEERING UNIT .
• Check pipe connections for leaks
• Perform chassis alignment check
• Carry out steering angle sensor adjustment/adjustment for active front steering, refer to 32 10 005 ADJUSTMENT FOR ACTIVE FRONT STEERING .
• Version with Dynamic Drive: If necessary, carry out initial Dynamic Drive operation