I left the screen alone.

A friend wanted to test drive my X3 so I used him to do the pedal.
I did about 15 pumps on each rear, and 5 pumps on each front.

Total brake fluid expelled was like 4 ounces total.
Not even one reservoir worth.
I don't even think I refilled the reservoir even once.
I have absolutely no idea how people use up an entire bottle.
I could do 50 pumps per wheel, and still barely make a dent in the bottle.

Probably a total waste of time, but who cares.
Brakes worked fine before, and they still work after.

Beer !