Bleeding Rear Axle Brake Circuit
- Attach BMW service test MoDIC to diagnosis connector. Call up diagnosis program (ABS ASC ABD).
- Connect bleeder unit to expansion tank and switch on. Follow relevant manufacturer's operating instructions. The charge pressure must not exceed 29 PSI (2 bar).
- Connect bleeder hose and receptacle to bleeder screw on the rear right brake caliper. See Figure .
- Open bleeder screw and perform bleeding routine on BMW diagnosis system.
- Close bleeder screw.
- Follow same procedure on rear left wheel brake.
- Switch off bleeder unit and disconnect from expansion tank.
- Switch off bleeder unit and disconnect from expansion tank.
- Check brake fluid level.
- Close expansion tank being careful of rubber seal (1) in cover. See Figure .
- Remove BMW service test MoDIC and replace cover on diagnosis connector.