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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. 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
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
Remove right tank cover

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

Release nuts.

Tightening torque 37 14 13AZ .

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 .

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 .

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 .

Fig 2: Locating Nut

Courtesy of BMW OF NORTH AMERICA, INC.