37 13 110 Removing and Installing/Replacing Pressure Line For Oscillating Motor/Rear Axle

WARNING: This page is about a different car, the 2008 BMW 760Li and 2007 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 . See 32 13 006 BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) .
Check pipe connections for leaks
If necessary, carry out initial operation for Dynamic Drive . See 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .

Necessary preliminary tasks:

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

Release nuts on valve block.

Tightening torque 37 14 12AZ . See 37 14 ELECTRIC COMPONENTS .

Release nuts at junction I.

Tightening torque 37 14 13AZ . See 37 14 ELECTRIC COMPONENTS .

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: Identifying Pressure Lines

Courtesy of BMW OF NORTH AMERICA, INC.

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 37 14 14AZ . See 37 14 ELECTRIC COMPONENTS .

Fig 2: Locating Pipe Holder From Underbody Of Vehicle

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts at junction II.

Tightening torque 37 14 13AZ . See 37 14 ELECTRIC COMPONENTS .

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 37 14 14AZ . See 37 14 ELECTRIC COMPONENTS .

Fig 3: Identifying Pipe Holder

Courtesy of BMW OF NORTH AMERICA, INC.

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 37 14 13AZ . See 37 14 ELECTRIC COMPONENTS .

Fig 4: Identifying Pressure Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Remove right output shaft . See 33 21 001 REMOVING AND INSTALLING/REPLACING LEFT OUTPUT SHAFT .

Remove complete rear axle carrier . See 33 31 000 REMOVING AND INSTALLING COMPLETE REAR AXLE CARRIER .

Release screws (1).

Tightening torque 31 14 14AZ . See 37 14 ELECTRIC COMPONENTS .

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 31 14 14AZ . See 37 14 ELECTRIC COMPONENTS .

Fig 5: Identifying Pipe Holder & Screws

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)!

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 31 14 18AZ . See 37 14 ELECTRIC COMPONENTS .

Fig 6: Locating Oscillating Motor Pressure Lines

Courtesy of BMW OF NORTH AMERICA, INC.