Quote:
Originally Posted by alpinewhite3series
guys i went data logging this afternoon and i had E85 with a mix of 93 and on the graph that i had done manual sport with launch control it read to almost read 19.5 - 20psi of boost in a heart beat off of the hole idk how dont ask me its what the graph show as soon as my tuner send me the graphs ill be sure to post.
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You'll want to compare what your timing advance looks like with this fuel (after at least a few adaptation pulls) vs timing on strait pump gas. I have a thread somwhere on the E90 N54 section with some good comments on what exactly to look for. Basically you want to see timing advance stead flat or slightly increasing during a pull vs dropping in value during the pull. The rest of the details of how to do this will depend on your tune... Good luck!