37 13 120 Removing and installing/renewing pressure line for VA1 swivel motor

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Special tools required

32 1 270

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
DANGER OF INJURY if oil comes into contact with eyes and skin!

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Close off pipe connections with plugs 32 1 270 .

Recycling

Catch and dispose of hydraulic fluid in a suitable expansion tank.

Necessary preliminary work

LOWER FRONT AXLE SUPPORT

IMPORTANT: Pressure line and connections must be closed off with suitable seal plugs 32 1 270 immediately after removal!

Release banjo bolt (1).

Tightening torque 37 13 5AZ .

Fig 1: Identifying Banjo Bolt

G06890225

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) from line clip on front axle support on left.

Tightening torque 37 13 7AZ .

Fig 2: Identifying Axle Support Screws

G06890226

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock holder (1) on front axle support at front and detach hydraulic line.

Installation note:

Replace damaged holders.

Fig 3: Identifying Front Axle Support Holder

G06890227

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, release holders (1) and (2) of transmission fluid cooler lines in wheel arch on left.

Tightening torque 17 22 3AZ (N63).

Fig 4: Identifying Transmission Fluid Cooler Lines Holders

G06890228

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Remove pressure line.

Tightening torque 37 13 4AZ .

Fig 5: Identifying Pressure Line Screw

G06890180

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: When assembling, make sure that in succession only the seal plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.

After installation

Fill and bleed hydraulic system . See 32 13 006 BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) and 37 10 001 START-UP WITH TEST RUN OF DYNAMIC DRIVE (EPS STEERING GEAR) .
Check line connections for tightness
Carry out initial Dynamic Drive operation. See 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE or 37 10 001 START-UP WITH TEST RUN OF DYNAMIC DRIVE (EPS STEERING GEAR) .