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Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Brakes - Repair) >> Bleeding Brake System >> Vehicles With Abs/ASC+T >> Flush Entire Braking System

Flush Entire Braking System

WARNING: This page does not describe the selected car, but rather 92 other vehicles, including the 2002 BMW Z3, 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW Z3, and 2001 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Bleeding unit is connected with maximum 29 PSI (2 bar) filling pressure.
  1. Connect BMW Diagnosis and Information System (DIS).
  2. Call up service function Bleeding ABS/ASC hydraulics.
    3. NOTE: Check relevant operating instructions for each device.
  3. Connect bleeding unit to expansion tank and switch on.
  4. Connect bleeder hose with container to bleed valve on rear right brake caliper.
  5. Open bleed valve and flush until clear, bubble-free brake fluid emerges.
  6. Close bleeder valve.
  7. Follow same procedure on wheel brakes rear left, front right and front left, in that order.
  8. Switch off bleeder unit and disconnect from expansion tank.
  9. Check brake fluid level.
    10. NOTE: Take care of rubber gasket in lid.
  10. Close expansion tank.
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