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

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. 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:

Remove FRONT ASSEMBLY UNDERSIDE PROTECTION
Remove right steering gear cover
Remove BOTTOM RIGHT WHEEL ARCH TRIM .

Release nuts.

Tightening torque 37 14 13AZ . See 14 ELECTRICAL COMPONENTS for specs.

Fig 1: Locating Rear Pressure Line Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts.

Tightening torque 37 14 15AZ . See 14 ELECTRICAL COMPONENTS for specs.

Remove pressure lines (1, 2) from valve block.

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 2: Locating Rear Pressure Lines And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.