34 00 027 Replacing Fluid In Brake System

34 00 027 Replacing fluid in brake system





Necessary preliminary work:
^ Remove left sensor opening
^ Read and comply with General Information.





Important!
When carrying out repairs to the brake system, follow the procedure set out in Bleeding brake system with DSC.
Use only BMW-approved brake fluids, see BMW operating fluids.

Connect bleeder unit to expansion tank and switch on.

Note:
Follow the applicable machine manufacturer's operating instructions.





Charging pressure should not exceed 2 bar.





Fully rinse the brake system
Connect vent hose with collecting vessel to vent valve on rear right brake caliper.

Open vent valve and purge until clear, bubble-free brake fluid emerges.

Close vent valve.

Follow same procedure on rear left, front right and front left wheel brake.





Switch off bleeder unit and remove from expansion tank.

Check brake fluid level. If necessary, top up/draw off to "MAX" level.

Close expansion tank.

Note:
Pay attention to gasket (1) in sealing cap.