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335xiMsport · 06-05-2013, 09:24 PM

Exhaust could be better but videos never really do justice, but power wise bmw under rated the m5 and lets not forget to hp improvement from just a tune, my guess is with some modding the new m3/m4 will easily reach 500hp

06-05-2013, 09:24 PM	#138
335xiMsport Banned 13 Rep 148 Posts Drives: 2011 335xi apline white Join Date: Nov 2012 Location: Queens iTrader: (0)	Exhaust could be better but videos never really do justice, but power wise bmw under rated the m5 and lets not forget to hp improvement from just a tune, my guess is with some modding the new m3/m4 will easily reach 500hp
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