^^ how has the JB3 been on your X5? Any check engine lights, limp mode or codes with it? I am going to hang on to my Cobb when i return my 335 in hopes that they'll have a tune ready for the F10 by then. If not i'll have to switch back to the JB which i rather not do unless i have to.
Mineral White/Mugello 2016 F85 X5M