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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 >> Bleed Rear-Axle Brake Circuit

Bleed Rear-Axle Brake Circuit

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 right brake caliper.
  5. Open bleed valve.
  6. Run bleeding routine with BMW Diagnosis and Information System (DIS) with bleeder valve open.
  7. After running routine, press brake pedal 5 times to stop. Clear, bubble-free brake fluid must flow out.
  8. Close bleeder valve.
  9. Repeat procedure at left rear caliper.
  10. Switch off bleeder unit and disconnect from expansion tank.
  11. Check brake fluid level.
    12. NOTE: Take care of rubber gasket in lid.
  12. Close expansion tank.
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