37 13 100 Removing And Installing/Replacing Pressure Lines For Oscillating Motor/Front Axle

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW 760i, 2006 BMW 760Li, 2005 BMW 760i, 2005 BMW 760Li, and 2004 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

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

After installation:

Fill and bleed hydraulic system. Refer to 32 13 006 BLEEDING POWER STEERING UNIT .
Check pipe connections for leaks
If necessary, carry out initial operation for Dynamic Drive. Refer to 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .

Necessary Preliminary Tasks:

Lower front axle support. Refer to FRONT AXLE SUPPORT .

Release nuts on valve block.

Tightening torque, (35 N.m.).

Release nuts at junction I.

Tightening torque, (30 N.m.).

Disconnect pressure lines (1, 2).

Fig 1: Locating Pressure Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Pressure lines are protected against being mixed up by different thread diameters on the valve block connection.

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

Unfasten screws.

Disengage pressure lines from pipe holders.

Remove pipe holder from front axle carrier.

Installation:

Replace pipe holder.

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

Tightening torque, (8 N.m.).

Fig 2: Identifying Pressure Line Retaining Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw of rubber mount for pipes on engine carrier at front right.

Installation:

Tightening torque, (8 N.m.).

Fig 3: View Of Retaining Screw For Rubber Mount

Courtesy of BMW OF NORTH AMERICA, INC.

Press lower hose holder section downwards.

Installation:

Make sure pressure lines (1, 2) are laid without tension and with sufficient spacing to adjoining components.

Fig 4: Locating Lower Hose Holder

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Risk of damage! Pressure lines must not have any contact with the stabilizer (minimum distance 5 mm)!

Mark installation position of pressure lines to oscillating motor.

Release nuts (1).

Remove pressure lines from oscillating motor.

Installation:

Carry over identification to new component.

Pressure lines are protected against being mixed up by different thread diameters on the oscillating motor connection.

Tightening torque, (30 N.m.).

Fig 5: View Of Pressure Line Retaining Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Feed pressure lines (1, 2) out of front axle carrier.

Installation:

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

Fig 6: Feeding Pressure Lines Out Of Front Axle Carrier

Courtesy of BMW OF NORTH AMERICA, INC.