Quote:
Originally Posted by winjury
So I am done with the JB4 piggyback on my e70 n63, its just nothing to write home about. My buddy has the ESS on his e70 n63 and that thing responds, shifts and moves must faster then mine ever did so I am considering going to the N63 E-Flash ECU Performance Software offered by esstuning. I have seen it first hand, but does anyone else have any experience or reviews on this product? thanks in advance!
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I have the tune and love it, completely transforms the truck. Dropped my 0-60 down into the low 4's. It will basically make the 50i as quick as a stock M with the 91 octane stage 1 tune. They will give you a stage 2 tune also If you request it but requires 93 octane.
I actually visited their shop as they are local and it's impressive, these guys know what they are doing and will even customize the tune to what Mods you have done. Highly recommend them.