Flush and bleed the front axle brake circuit (high brake)

• Two different fixed brake calipers are installed!
• In both variants, the outside (1) must be vented first.

  Then vent on the inside (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Start flushing at the right front. 
• Connect the vent hose with the collecting vessel to the bleed valve (1) on the front right brake caliper.
• Open the bleed valve (1) and purge it until clear, bubble-free brake fluid emerges.
• Close bleed valve (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Front bleed valve from brake caliper manufacturer Brembo
  Bleed valve	tightening torque	18 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Fixed caliper front bleed valve from brake caliper manufacturer Continental
  Bleed valve	tightening torque	15 Nm

• Connect the vent hose with the collecting vessel to the bleed valve (1) on front right brake caliper.
• Open bleed valve (1) and purge it until clear, bubble-free brake fluid emerges.
• Close bleed valve (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Front bleed valve from brake caliper manufacturer Brembo
  Bleed valve	tightening torque	18 Nm

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Fixed caliper front bleed valve from brake caliper manufacturer Continental
  Bleed valve	tightening torque	15 Nm

• Carry out the same procedure on the front left wheel brake.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to DISCONNECTING THE BLEEDER UNIT FOR THE BRAKE FLUID .