Originally Posted by DriftDreamzSS
So my warranty is almost up which is kind of bad but I'm also excited about it because I think I'm going to finally upgrade the tune. Are most of you n54 guys running jb4? Current and active development on e85 blend fuel tunes is at the top of my list and Cobb doesn't seem to be doing much in the e85 department and procede doesn't seem to be worth the extra $ for my goals. Are any of you local guys running jb4 map 5 with e85/91?
I have JB4 and I have been running 6 gallons of e85 to 10 gallons of 91 for a few fillups now... the new map5 of the newest firmware is pretty damn fun.