Quote:
Originally Posted by AussieAlan
When you bleed the brakes on an X5 do you have to have the engine running to activate the vaccum booster on the master cylinder?
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No you do not. You can just pump the brakes till they get stiff, crack the valve, let the fluid run out. Let the pedal hit the floor. Once it does, close the valve, then let the brake up and do the entire procedure again. Do it until there aren't any air bubbles in the system.