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      12-12-2013, 03:13 PM   #15
solstice
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Drives: 2015 M3 6MT
Join Date: May 2013
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I'm no tuning expert but with a compression ratio of 10.2:1 and stock 18psi I would think the added boost window to run 93 octane with optimum ignition timing is pretty much closed independent on how much more boost the Mitsu blowers can muster. Maybe a tune addict can chime in on this aspect?

Last edited by solstice; 12-12-2013 at 03:59 PM..