I'm running JB4 only. You can run map2 or map7 with 30% e85, which is 4 gallons of e85 and then topped off with 91/93. Make sure you have the flex fuel connector plugged in located behind the top mount intercooler. The best part of jb4, if for any reason you need to fill up and e85 isn't available, you can scroll and load map1 or map3.
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M4 Yas Marina Blue
F32 Estoril Blue
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