Filling and bleeding wheel circuits e Attention: Do not allow brake fluid to come into contact with painted parts of the motorcycle as brake fluid de- stroys paint. e Attention: To prevent brake fluid entering the plugs, do not dis- connect the plugs from the ABS pressure modula- tor. • Use resetting tool, BMW No. 34 1 531 , and locator, BMW No. 34 1 532 , to force the pistons in the left and right brake calipers all the way back and hold them in this position. 34.23 Filling and bleeding front wheel circuit e 34 1 581 Attention: Integral brakes, the rear brake must be ready for use. – Install rear brake pads and brake caliper, if appli- cable. – Place the motorcycle on its centre stand.
R22000340 1 • Screw container, BMW No. 34 1 581, onto front wheel circuit reservoir. • Slowly fill container, BMW No. 34 1 581, with new brake fluid until it is approximately 1/2 full. • Connect the brake bleeding device to the bleed screw of the left brake caliper, but do not switch on the device. L Note: R28340110 If necessary, use a cable tie to secure the bleed hose to the bleed screw. • Open front wheel-circuit reservoir (1). • Remove front brake pads. • Switch on the ignition. • Wrap cloths around the left and right brake cali- L pers. Note: After switching on the ignition, always wait for the BMW Integral ABS to complete its self-diagnosis.
Do not operate the brake lever until self-diagnosis has completed. 34 1 531 34 1 532 R22000290 e Attention: Do not scrape the wheel – mask it off if necessary.