Using Bleeder Unit

1. Unscrew the cover on the brake fluid reservoir.
- Connect a topping-up bottle to the topping-up fitting (supplied in brake bleeder unit kit part no. 88 19 096) and clamp the topping-up fining onto the brake fluid reservoir to eliminate the risk of the reservoir being drained.





2. Undo the connector from the Electronic Control Unit (ECU).





3. Plug the connector of the breakout box into the Antilock Brake System (ABS) Mark IV connector for the ECU.
- Connect wiring looms 1 (pins 1, 34 and 15) and 2 (pins 18, 36, 21 and 2) (part no. 86 11 212).
- Connect pin 1 when the ignition is switched on.
- Run the pump for one minute.
- Connect the battery terminal twenty seconds after the pump has started up so that the outlet valves are opened.
- Disconnect the battery terminal after a further twenty seconds.
- Disconnect pin 1 sixty seconds after the pump has started up.
- Switch off the ignition.





- Bleed the system using the bleeder unit (part No. 88 19 096)





- Bleeding must be carried out in the following sequence:
Right-hand front wheel
Left-hand rear wheel
Left-hand front wheel
Right-hand rear wheel.
- When changing the brake fluid, the contents of the brake fluid reservoir must be siphoned off and each brake caliper must be drained of the amount of fluid indicated in the figure.





4. Plug in the connector of the ECU.





5. Turn on the ignition and check that the ABS warning light on the facia goes out.