Hello, I know the best BMS is from Bestech, but i couldn’t find a seller in EU… I’m looking a BMS with 40a discharge at least… 10S, and with p- b+ b´- C ports… because i want a safe brakes, i ordered one from aliexpress without p- and some people say is not safe for brakes
Hola Pedro, ley me correct you, the best BMS is from @JTAG , the diebiebms. 
Quick shot 100+amps discharge, 6s to 12s, canbus…
You will find plenty info here: