Been running silicone fluid in my 101 for many years now.
Never had a problem bleeding it and when I was running standard front brakes, I seemed to be getting longer life out of the wheel cylinders and the transfer from reservoir to reservoir was stopped with silicone fluid and the use of a quad ring seal in the master cylinder instead of the ones supplied in the current repair kits.
I also don't have the paint lifting near the reservoirs on the dash board.
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