Removing And Installing/Replacing Pressure Line For Oscillating Motor/Rear Axle (Middle Pressure Lines)

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 

Necessary preliminary tasks: 

• Convertible/Touring: Remove rear right tension strut.
• Remove RIGHT UNDERBODY PANELING. See 51 47... REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT UNDERBODY PANELLING .
• Remove right tank cover.

Pressure line for oscillating motor (junction I to junction II): 

Release nuts.

Tightening torque 37 14 13AZ  . See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES .

Disengage pressure lines from pipe holders (1).

Remove pipe holder (1).

Installation: 

Replace pipe holder (1).

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

Tightening torque 37 14 14AZ  . See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES .

Fig 1: Locating Pipe Holders

Courtesy of BMW OF NORTH AMERICA, INC.

Pressure line for oscillating motor (junction II to junction III): 

Release nuts.

Tightening torque 37 14 13AZ  . See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES .

Unscrew nut (1).

Remove pressure line.

Installation: 

Replace self-locking nut.

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

Tightening torque 37 14 14AZ  . See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES .

Fig 2: Locating Nut

Courtesy of BMW OF NORTH AMERICA, INC.