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

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. 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 34 00 050 BLEEDING BRAKE SYSTEM WITH DSC .
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

Release nuts on valve block.

Tightening torque. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- ALPINA .

Release nuts at junction I.

Tightening torque. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- ALPINA .

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 Line

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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. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- ALPINA .

Fig 2: Locating Pipes Holders Screws

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

Installation:

Tightening torque. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- ALPINA .

Fig 3: Locating Rubber Mount Screws

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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

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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. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- ALPINA .

Fig 5: Identifying Oscillating Motor Nuts

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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: Feeding Out Pressure Lines Of Front Axle Carrier

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