Quote:
Originally Posted by Jamesons Viggen
Wait wait, my bad, 87 AKI is about 91 RON. In that case, thats about the octane BMW recommends for stock. I would keep it stock. BMS stage 1 @+3 psi is the most I would push it to, as they test their cars in California and run on 91 RON. I would not do anything more aggressive as that calls for 93 RON.
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Well if he can source E85, then that opens a few more doors
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2015 M3 - AW 6Spd w/ CCB
MCS 2WR Dampers, Spec Twin Disk Clutch, MaxPSI CH, F80Paul Ethanol Tune, 3.5in DPs