L facturers’ instructions. • Top up the brake fluid level to the “MAX” mark (arrow). e Caution: When adding brake fluid, do not allow it to enter the holes for the reservoir lid screws. • Remove brake calipers. e Caution: Keep the brake caliper parallel to the brake disc when removing and installing. There is a risk of damage to the brake pads. • [ABS] Begin by bleeding the pressure modula- tor. • Remove the brake pads. • Release clamps securing handlebar. a .............. See Additional information for [ABS] e Caution: While bleeding the system, do not allow the brake fluid level to drop below the “MIN” mark, as other- wise air will be drawn into the brake system.
Bleed the system again if this happens. • Use resetting tool, BMW No. 34 1 500 , to force the pistons of the right-hand brake caliper fully back. • Take out the resetting tool and insert spacer, BMW No. 34 1 520 , in its place. • Use resetting tool, BMW No. 34 1 500 , to force the pistons of the left-hand brake caliper fully back, and allow the resetting tool to remain in position. • Remove the bleed screw. • Disconnect the brake bleeding device from the bleed screw. • Reinstall socket-head grub screw (1) in the filler adapter. 00.31 nging brake fluid and bleeding ke system ge the brake fluid annually ection IV) ding front brake circuit/changing e fluid Note:
description applies to brake filling and bleeding es with vacuum extraction of the brake fluid at rake caliper. er devices are used, comply with their manu- R21000020 R21000020 • Turn the front wheel and the handlebar to a posi- tion in which the brake fluid reservoir is horizon- tal. • Tighten the handlebar and secure the front wheel in this position. • Remove reservoir cover with rubber diaphragm. e Caution: Do not allow brake fluid to come into contact with painted parts of the motorcycle as brake fluid de- stroys paint. 2 1 S000261 • Wrap a cloth around the filler adapter on the right-hand brake caliper.
• Remove the socket-head grub screw (1) from the filler adapter on the right-hand brake caliper. • Connect the brake bleeding device to bleed screw (2). • Screw the bleed screw all the way into the filler adapter (valve in filler adapter closed). 34 1 500 • Open the bleed screw by half a turn (valve open). • Draw off brake fluid until it emerges clear and R21000270 free from air bubbles. S000261 34 1 500 R21000270 R21000270