Quote:
Originally Posted by avol3xo
This may not be considered a performance "mod" but I am obviously a Newb here, I have an N55 E92, just got a JB4 S2 with iso. I have heard of people running a mix of E85 and 93 fuel to get more power. How safe is this on a fully stock engine with just the JB4 and how do you go about getting E85 and determining how much to mix?
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To run your JB4 to it's higher potentials, you will need a downpipe. It is recommend to get a chargepipe and front mount, but not needed.
If you're going to run e85, you will need the flexfuel sensor for the JB4 to identify the fuel mix.
All in all, I would not recommend it unless you have the DP + Flexfuel sensor.