37 13 100 Removing and Installing/Replacing Pressure Lines For Oscillating Motor/Front Axle

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, 2007 BMW 750Li, and 2006 BMW 750i. 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:

Lower front axle support . See 31 11 506 LOWERING/RAISING FRONT AXLE CARRIER

Release nuts on valve block.

Tightening torque 37 14 15AZ . 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.

Unfasten screws.

Disengage pressure lines from pipe holders.

Remove pipe holder from front axle carrier.

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 Pressure Lines From Pipe Holders & Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw of rubber mount for pipes on engine carrier at front right.

Installation:

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

Fig 3: Identifying Rubber Mount For Pipes On Engine Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Press lower hose holder section downwards.

Installation:

Make sure pressure lines (1, 2) are laid without tension and with sufficient spacing to adjoining components.

Fig 4: Pressing Lower Hose Holder Section Downwards

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)!

Mark installation position of pressure lines to oscillating motor.

Release nuts (1).

Remove pressure lines from oscillating motor.

Installation:

Carry over identification to new component.

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

Tightening torque 37 14 18AZ . See 37 14 ELECTRIC COMPONENTS

Fig 5: Identifying Pressure Line

Courtesy of BMW OF NORTH AMERICA, INC.

Feed pressure lines (1, 2) out of front axle carrier.

Installation:

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

Fig 6: Identifying Pressure Lines Out Of Front Axle Carrier

Courtesy of BMW OF NORTH AMERICA, INC.