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Home >> BMW >> 2001 >> 325Ci 2D Convertible, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair (E46) >> Bleeding Brake System >> Vehicles With Abs/ASC+T >> Bleed Front-Axle Brake Circuit

Bleed Front-Axle Brake Circuit

CAUTION: With fixed caliper, bleed both sides of brake caliper, removing wheel if necessary.
NOTE: Bleeding unit is connected with maximum 29 psi (2 bar) filling pressure.
NOTE: Check relevant operating instructions for each device.
  1. Connect BMW Diagnosis and Information System (DIS).
  2. Call up service function BLEEDING ABS/ASC HYDRAULICS.
  3. Connect bleeding unit to expansion tank and switch on.
  4. Connect bleeder hose and bottle to bleed valve on front right brake caliper.
  5. Open bleed valve.
  6. Fully depress brake pedal at least 12 times. Brake fluid must emerge clear and free of bubbles.
  7. Hold down brake pedal in fully depressed position.
  8. Close bleeder valve.
  9. Release brake pedal.
  10. Follow same procedure on front left wheel brake.
  11. Switch off bleeder unit and disconnect from expansion tank.
  12. Check brake fluid level.
  13. Close expansion tank. Take care of rubber gasket in lid.
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