• Switch on the ignition. Instructions for filling rear wheel circuit reservoir e Attention: Integral brakes, the front brake must be ready for use. L 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. • Operate the footbrake lever until the pistons of the rear brake caliper are in contact with resetting tool, BMW No. 34 1 531 , and adapter, BMW No. 34 1 536 . 34 1 536 34 1 531 MAX R28000170 • Top up fluid in rear wheel-circuit reservoir to “MAX” if necessary. • Fully tighten resetting tool, BMW No. 34 1 531 , and adapter, BMW No. 34 1 536 . MIN R28340090 e Attention:
The piston in the base of the wheel-circuit reservoir must always be covered by the fluid, as otherwise air can be drawn into the brake system. Bleed the system again if this happens. • Top up the fluid in the wheel-circuit reservoir until one of the three protrusions in the filler neck just touches the surface of the fluid (arrow). • Remove resetting tool, BMW No. 34 1 531 , and adapter, BMW No. 34 1 536 . d Warning: Make sure that the wheel-circuit reservoir does not overflow when the brake pads/brake calipers are in- stalled. 34.28