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

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

DANGER OF POISONING if oil is ingested/absorbed through the skin!

RISK 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 line connections with seal plug 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 Bolts

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 Pressure Line Clips Mounting 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 .

Fig 4: Identifying Transmission Fluid Cooler Lines Holder

G06890228

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Remove pressure line.

Tightening torque 37 13 4AZ .

Fig 5: Identifying Pressure Line Mounting Screws

G06890229

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:

Vehicles with hydraulic power steering: fill and bleed HYDRAULIC SYSTEM
Check line connections for tightness
Carry out initial dynamic drive operation. See INITIAL OPERATION WITH TEST RUN (HYDRAULIC POWER STEERING) or START-UP WITH TEST RUN (ELECTRIC POWER STEERING) .