Might also check speedbleeder.com. They sell a bleeder screw with a ball check valve that, when you crack the screw half a turn, release brake fluid / air when pedal is depressed. When pedal is released, the check valve closes so no air reenters the system. I put them on all 4 corners when I did mine, and they work great. You can put a piece of tubing (which they sell) over the screw to direct the fluid to a container for collection. I turned the bottle of brake fluid upside down in the reservoir (with a towel around the reservoir while flipping it over) and it worked like a bottled water machine. As I pumped the brakes and the fluid in the reservoir dropped, fluid from the bottle filled it back up to the correct level without overflowing.

Don

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Don Drake

1990 300E 125k Miles
1994 S420 100k Miles