WHAT DOES BMW ISTA+ MEAN?

ive been having concerns receiving it to connect with my automobile but I used to be striving on an e91 so not sure if that is the purpose why. I'll check out it on file sequence up coming 7 days and find out if i have any luckReply 1: Both of such possess the identical hardware. None of these are clones of something also. A3 is an entire china Var