37 13 132 Removing and installing/replacing pressure lines for swivel motor - HA1/HA2

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

32 1 270

Necessary preliminary tasks:

Remove CROSS REINFORCEMENT on rear axle (F11/F12)

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

Risk of burning!

This repair work may only be carried out on an exhaust system which has cooled down.

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 collecting vessel.

release block screw connections (1) and (2).

Tightening torque 37 13 12AZ .

Hydraulic lines must be provided with suitable seal plugs 32 1 270 immediately after removal.

Fig 1: Identifying Pressure Line Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release both screws of line clip on the rear axle support.

Fig 2: Releasing Pressure Line Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and pull of pressure lines from swivel motor and remove lines.

Pressure lines and connections on swivel motor must be fitted with suitable seal plugs immediately after removal! 32 1 270

Tightening torque 37 13 4AZ .

Fig 3: Identifying Hydraulic Lines Screw

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:

Start up Dynamic Drive. 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)
Check line connections for leak tightness