37 13 130 Removing and installing/replacing underfloor pressure lines for oscillating motor (HA1/HA2)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

32 1 270

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 pipe connections with plugs. 32 1 270

Recycling:

Catch and dispose of hydraulic fluid in a suitable container.

Necessary preliminary work:

Remove RIGHT UNDERBODY PANELLING
Partially remove front right WHEEL ARCH COVER (rear section)
Remove rear wheel arch cover front section

IMPORTANT: Pressure lines and connections on valve block must be fitted with suitable seal plugs immediately after removal! 32 1 270

Fig 1: Identifying Pressure Line Screws

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Release screws (1) for hydraulic lines on valve block.

Tightening torque 37 13 3AZ .

IMPORTANT: Note installation position of spacers (1) and (2).
Failure to do so may result in noises/rattling!

Fig 2: Identifying Spacers Installation Position

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Open holder (1) and remove pressure lines.

Installation note:

If necessary, replace damaged holders.

Fig 3: Identifying Pressure Lines Holder

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Release screws (1) and (2).

Tightening torque 37 13 12AZ .

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

Fig 4: Identifying Pressure Line Screws

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 note:

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 leaks
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) .