Originally Posted by Mike@N54Tuning.com
If you have a Cobb AP you can load the BMS flash. It features more advance, VANOS tweaks, fueling tweaks, and some other stuff that benefit those running HB4 w/ E85 mixtures of 50% or more.
a bit off topic, but mike, is there any big difference in the G4 to G5 boards for someone who isnt running upped turbos. Just on map 5 with 3 gallons of e85 mixed with 91?