Bleeding Brake System With Abs/ASC+T With Plunger Hydraulic Unit: Filling

1. Connect bleeder unit to expansion tank. Follow relevant manufacturer's operating instructions.
2. Connect bleeder hose and receptacle to rear right brake caliper. See Fig 1 .
3. Open bleeder screw and flush until brake fluid emerges without bubbles, for at least 4 minutes, then close the vent screw.
4. Follow same procedure on rear left, front right and front left wheel brakes. Minimum flush time per front brake is 1 minute.

Fig 1: Connecting Bleeder Hose On Rear Caliper

Courtesy of BMW OF NORTH AMERICA, INC.