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      02-17-2020, 02:46 PM   #30
Nezil's Avatar

Drives: LCI '18 6MT M2
Join Date: Jul 2017
Location: San Francisco Bay Area

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Originally Posted by cecaa850 View Post
Texas fuel is supposed to be semi decent but I'm limited as to what my tuner can get out of my vehicle by octane as well.
You're always going to be limited by something... Octane, Fuel Volume, IATs, Turbo, Flow restrictions etc... At least octane is fairly easy to solve.

I think the N55 is limited first by octane, then by turbo, then by fueling. If you fix the turbo and / or fueling you can shift the octane restriction up a little, but not by much. The good news is that we now have somewhat affordable HPFP, Turbo, and Meth injection setups... Big power is possible but it does seem to require all three, especially in the US.
2018 ///M2 LCI, LBB, 6MT...

Current Performance Mods:
CSF FMIC, ER CP, Fabspeed Cat, Aquamist WMI, GFB DV+, NGK 97506, BM3 (Stage 2 93 OTS), CDV delete, UCP, M2C/M3/M4 Strut Brace, M3/M4 Reinforcement Rings