34 00 Filling and bleeding Integral ABS system e Attention: During the filling and bleeding procedure, make sure that the fluid replenishing hole is always below the level of the brake fluid, or else air will be drawn into the brake system. d Warning: All repair and maintenance work on the BMW Integral ABS must be performed by trained, qualified specialists. – Remove front and rear seats. – Remove fuel tank. • Draw off the brake fluid from the circuits in the correct sequence while topping up continuously with fresh brake fluid and using ring spanner, BMW No. 34 2 532 :
• front metering cylinder (1), • front integral circuit (2), • front control circuit (3) and • front metering cylinder (1) for the second time. Filling and bleeding control 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: On account of the vacuum extraction process, it is not possible to tell whether there is brake fluid in the hose of the brake bleeding device when it is free of bubbles. Consequently, the system must be bled again manually in the specified sequence and in ac- cordance with the instructions for bleeding the brakes .
Filling the front control circuit – Turn the front wheel to a position in which the brake fluid reservoir is horizontal and secure the handlebars in this position. – Wrap cloths around the reservoir. – Remove front reservoir cap with rubber dia- phragm. KR340280 • Top up the brake fluid level to the “MAX” mark (arrow). 34.19 1 3 L Note: This description applies for the brake filling and bleeding unit with extraction of the brake fluid by partial vacuum. If other devices are used, comply with their manu- facturers’ instructions. 2 R28340110 R28340110