Quote:
Originally Posted by foma1
I have a 2017 GC competition. i did downpipes, JB4, drop in filters and a few cosmetics.... car feels very fast but im not happy with the way Jb4 is.... the hesitation on throttle response.... and the lack of user characteristics. and I really want my M6 to sing. I want a super fast car but I'm not interested in changing my clutch, or drive train.... I just want a good tune to give me 600+ whp. so do I have to spend the extra $ on DME or can I be satisfied with Bootmod3?
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DME is timing mine in a week.