32 13 065 Removing and installing (replacing) hydro-steering gear for active steering

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. 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 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .
If necessary, remove steering gear cover at side
E88, E93: 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.

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

G04726363

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace all sealing rings.

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

Tightening torque, see 32 41 10AZ in 32 41 PUMP AND OIL SUPPLY (pressure line).

Tightening torque, see 32 41 10AZ in 32 41 PUMP AND OIL SUPPLY (return line).

Release screws (1) and remove brackets.

Release screws (2) and tie up pressure line.

Tightening torque, see 32 41 11AZ in 32 41 PUMP AND OIL SUPPLY .

Fig 2: Identifying Screws And Pressure Line

G04726364

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

G05778226

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, see 32 00 3AZ in 32 00 STEERING .

Fig 4: Identifying Screws

G04726366

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections (1) and remove steering gear.

Fig 5: Identifying Plug Connections

G04726367

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 32 10 005 Adjustment for active front steering and 61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT .