37 13 110 Removing And Installing/Replacing Pressure Line For Oscillating Motor/Rear 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:

Remove bottom right wheel arch trim. Refer to 51 71... REMOVING AND INSTALLING/REPLACING FRONT BOTTOM RIGHT WHEEL ARCH TRIM .
Remove right underbody paneling. Refer to 51 47... REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT UNDERBODY PANELING
Remove rear right wheel arch trim.

Release nuts on valve block.

Tightening torque, (35 N.m.).

Release nuts at junction 1.

Tightening torque, (30 N.m.).

Disconnect pressure lines (1, 2).

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.

Fig 1: View Of Pressure Lines

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Remove pipe holder from underbody of vehicle.

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: View Of Correctly Routed Pressure Lines

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Release nuts at junction II.

Tightening torque, (30 N.m.).

Remove pipe holder (1) from tension strut.

Installation:

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

Tightening torque, (8 N.m.).

Fig 3: Locating Pipe Holder On Tension Strut

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Release nuts at junction III.

Disconnect pressure lines (1, 2).

Installation:

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

Tightening torque, (30 N.m.).

Fig 4: Disconnecting Pressure Lines

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Remove right output shaft.

Remove complete rear axle carrier. Refer to AXLE CARRIER .

Release screws (1).

Tightening torque, (8 N.m.).

Remove pipe holder (2) from rear axle carrier.

Installation:

Replace pipe holder (2).

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

Tightening torque, (8 N.m.).

Fig 5: View Of Pipe Holder On Rear Axle Carrier

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

Release nuts on oscillating motor.

Remove pressure lines from oscillating motor.

Installation:

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

Tightening torque, (30 N.m.).

Fig 6: Identifying Pressure Lines On Oscillating Motor

Courtesy of BMW OF NORTH AMERICA, INC.