Manual Bleeding

1. Undo the connector from the Electronic Control Unit (ECU).
2. Connect the breakout box to the connector of the control module.





- Connect wiring looms 1 (pins 1, 34 and 35) 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 crocodile clip twenty seconds after the pump has started up so that the outlet valves are opened.
- Disconnect the crocodile clip after a further twenty seconds.
- Disconnect pin 1 sixty seconds after the pump has started up.
- Switch off the ignition.





3. Connect the bleed hose to the bleed valve.
- Ask someone to help by pressing the brake pedal at least ten times per brake caliper until brake fluid free of air bubbles is visible through the transparent hose.
- Check the fluid level in the brake fluid reservoir to make sure the reservoir is not drained.
- Bleeding will not be possible until the bleed nipple has been opened.





- 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 Antilock Brake System (ABS) warning light on the facia goes out.