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

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

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 pipe connections with plugs.

Recycling:

Catch and dispose of hydraulic fluid in a suitable container.

Observe country-specific waste-disposal regulations

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
Remove front underbody protection. See REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION .
If necessary, remove steering gear cover at side
Convertible: Remove V-strut on left and right
Remove both TIE ROD ENDS FROM SWIVEL BEARING
Replacement only: Remove both TIE ROD ENDS FROM TIE ROD
Remove LOWER SECTION OF STEERING SPINDLE FROM STEERING GEAR
Disconnect plug connection from power steering pump and expose connecting cable 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:

Replace all sealing rings.

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

Pressure line, tightening torque 32 41 9AZ .

Return line, tightening torque 32 41 10AZ .

Fig 1: Identifying Banjo Bolts, Pressure Line & Return Line

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: Identifying Brackets Screws & Tie Up Pressure Line 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: Identifying Plug Connection & Plug Connection On Cumulative Steering Angle Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

WARNING:

Risk of injury!

Tie up steering gear to prevent it from falling down when disconnecting plug connections.

IMPORTANT:

Risk of damage!

Do not expose connecting cables to tensile load.

Release nuts and remove screws (1) towards bottom.

Move steering gear forwards and tie up.

Installation:

Replace screws and nuts.

Tightening torque 32 00 1AZ .

Fig 4: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections (1) and remove steering gear.

Fig 5: Identifying Steering Gear Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed HYDRAULIC SYSTEM
Check pipe connections for leaks
Perform CHASSIS ALIGNMENT CHECK
Carry out adjustment for active front steering. See ADJUSTMENT FOR ACTIVE FRONT STEERING .