Realistically how much hp and tq would you expect to gain with either tune? Also do I need to use the EWG wires?
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2013 BMW 335is Coupe AW/CR 6MT
2012 BMW 335 coupe ( Sold)
2012 Audi S5 coupe( Sold)
2010 BMW 335i coupe( Sold)
2009 BMW 335i coupe ( Sold)
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