32 13 065 Removing And Installing (Replacing) Hydro-Steering Gear For Active Steering

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!

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

Recycling

Catch and dispose of hydraulic fluid in a suitable expansion tank.

Observe country-specific waste disposal regulations

IMPORTANT: If the lower section of the steering shaft is separated from the steering gear/steering column, the steering column switch cluster may be damaged when the steering wheel/steering shaft is twisted!

Necessary preliminary work

Draw off and dispose of hydraulic fluid from oil reservoir
Remove FRONT UNDERBODY PROTECTION
Remove side steering gear cover if necessary
E88, E93: Remove V-strut on left and right
Remove both TRACK ROD ENDS FROM SWIVEL BEARING
Replacement only: Remove both TRACK ROD ENDS FROM TRACK ROD
Remove LOWER SECTION OF STEERING SHAFT FROM STEERING BOX
Disconnect plug connection from power steering pump and expose connecting line up to steering gear

If necessary, remove heat shield from steering gear.

Release banjo bolts (1, 2).

Disconnect pressure line (4) and return line (3) from steering gear.

Installation note:

Replace all sealing rings.

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

Tightening torque 32 41 9AZ (pressure line).

Tightening torque 32 41 10AZ (return line).

Fig 1: Pressure, Return Line And Banjo Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove brackets.

Release screws (2) and tie up pressure line.

Tightening torque 32 41 11AZ .

Fig 2: Pressure Line Mounting Brackets Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Build date up to 03/2007: Disconnect plug connection (2) on cumulative steering angle sensor.

Fig 3: Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

WARNING: Danger of injury!
Tie up steering gear to prevent from falling down when releasing plug connections.

IMPORTANT: Risk of damage!
Do not expose connecting lines to tensile load.

Release nuts and remove screws (1) towards bottom.

Move steering gear towards front and tie up.

Installation note:

Replace screws and nuts.

Tightening torque 32 00 1AZ .

Fig 4: Screws Of Steering Gear

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections (1) and remove steering gear.

Fig 5: Steering Gear Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Turn steering wheel in both directions to the limit position. The airbag indicator lamp must not light up in the process.
Fill and bleed HYDRAULIC SYSTEM
Check line connections for leaks
Perform chassis/wheel alignment check . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or 32 00 155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD
ALIGNMENT FOR ACTIVE STEERING