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

WARNING: This page is about a different car, the 2011 BMW 750xi and 2010 BMW 750xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required 

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 tasks: 

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 Bolts
G06890225Courtesy 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 Pressure Line Clips Mounting Screws
G06890226Courtesy 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
G06890227Courtesy 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.

Fig 4: Identifying Transmission Fluid Cooler Lines Holder
G06890228Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Remove pressure line.

Tightening torque 37 13 4AZ .

Fig 5: Identifying Pressure Lines Mounting Screws
G06890180Courtesy 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.