Brake System With ABS/ASC + T

Read and comply with General Information: Refer to Brakes and Traction Control, Description and Operation





Connect BMW Diagnosis and Information System (DIS). Call up service function "Bleeding ABS/ASC+T hydraulics". Connect brake fluid changer to expansion tank and switch on.

Note: Check relevant operating instructions for each device.

Charging pressure must not exceed 2 bar.





Flush entire brake system

Attach bleed hose with container to bleed valve on rear right brake caliper.

Open bleed valve and flush until clear, bubble-free brake fluid emerges.

Close bleeder valve.

Follow same procedure on rear left, front right and front left wheel brake.





Bleed rear-axle brake circuit.

Attach bleed hose with container to bleed valve on rear right brake caliper. Open bleed valve.

Carry out bleeding procedure with DIS.

Close bleeder valve.

Follow same procedure on rear left wheel brake.





Bleed front-axle brake circuit.

Attach bleed hose with container to bleed valve on front right brake caliper.

Open bleed valve.

Fully depress brake pedal at least 12 times.

Brake fluid must emerge clear and free of bubbles.

Hold down brake pedal in fully depressed position.

Close bleeder valve.

Release brake pedal.

Follow same procedure on front left wheel brake.





Switch off brake fluid changer and remove from expansion tank.

Check brake fluid level.

Close expansion tank.

Note: Take care of rubber gasket (1) in lid.