34 00 047 Bleeding brake system with ABS

IMPORTANT: Read and comply with General Information. Refer to 34 00 ... GENERAL DATA . Bleeder device: Refer to BMW Service Workshop equipment/Planning documentation. Attach to expansion tank.

NOTE: Check relevant Operating Instructions for each device.

Charging pressure must not exceed 2 bar.

Fig 1: Identifying Bleeder Device

Connect bleeder hose with bottle to rear-right brake caliper. Open bleed valve and fully depress brake pedal at least 12 times.

NOTE: Brake fluid must emerge without bubbles.

Hold down brake pedal in fully depressed position.

Fig 2: Connecting Bleeder Hose With Bottle To Rear-Right Brake Caliper

Close bleeder valve.

Release brake pedal.

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

IMPORTANT: With fixed caliper, bleed both sides of brake caliper, removing wheel if necessary. Switch off bleeder unit and disconnect from expansion tank. Check brake fluid level. Close expansion tank.

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

Fig 3: Identifying Rubber Gasket