Federal government passed a law around 15 yrs ago, ALL brake fluid MUST be clear or amber on ANY vehicle operated on public roads.

I still have 2 unopened cans of Ate SuperBlue Racing fluid (the fluid was sold up until a few yrs ago for "track use" vehicles, hence the "racing" in the name). I like switching from amber to blue each fluid flush because of the stark contrast between the gold/amber and blue colors (MUCH more visible then the gold/amber and clear).

I currently have the SuperBlue in the X, will do an amber swap when I install the new tires next week.

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!