Thread: e85 question
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      11-12-2012, 05:39 AM   #54
Laguna Seca Blue
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Drives: 2007 335i Coupe
Join Date: Mar 2012
Location: Colorado

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Originally Posted by smi1gj View Post

for the OP just find some locals with different tunes and maybe join them in a track day. one thing I've learned is our cars are more different than we think and respond differently to different tunes and fuel mixtures. once you get to the mid 12s which you should easily do with Cobb jb4 or proceed and a 30-50 percent E85 mix, you will be faster than most cars you cross on the road. Pick which ever one you fancy and you'll be happy
I always say i'm going to stay out of a thread, but then people continue to post comments that ignore facts. I spent the good part of two pages trying to explain why the MOST IMPORTANT FEATURE of the PROcede flex fuel kit that sets it apart from the competition is that it automatically adjusts the tune based on the fuel mixture that your car is running at any given moment. This is an essential safety and convenience feature.

I'm very happy that you're making 400+ whp with just your JB4. I'm not exactly sure how you're doing it without advancing timing, but whatever. Personally, I could care less if I was making a few horsepower more or less, I'd even be happy with Cobb's lower numbers, but ONLY if there was some kind of built in failsafe. Running an aggressive E85 tune without one is an accident waiting to happen.

That is why I suggested the OP buy the Procede with Fexfuel kit in my first post. Instead this thread turned into a massive pissing match . There is more to running a tune than making the most amount of power. You own a BMW for goodness sakes! It is a sophisticated machine and deserves to be treated with some respect.
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Last edited by Laguna Seca Blue; 11-12-2012 at 05:59 AM.