Quote:
Originally Posted by UCLABruins
If I don't wanna deal with the hassle of mixing E85 + 91 to create E30 Gasoline with 93-94 octane, what are the realistic gains of FBO + Stage 2 on CA 91 Gas for an N55 435i Coupe?
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I'm FBO, MHD 2+, here in crappy Cali 91 land.
I can't tell you in numbers as to the gains, but I can tell you from butt dyno that the gains are HUGE. Totally transforms the car. My m235i is QUICK. The car has also performed really well on the track. I've run boostane on the track but not enough tinkering to tell any difference. I will probably play with e85 for kicks but don't really want to mess with mixing.
A tune with supporting mods makes a huge difference that you will be sure to feel. I've flashed the car back to stock occasionally when I have taken it for service. You get used to the tune and when you go back to stock; it reminds you of just what a dramatic difference there is . . .