RSTuning
Active Member
Had a little time on the X3M yesterday after the XHP gearbox tune. This is only running shell VPower, no meth and no ethanol in the tank! 2.1 bar of boost on the stock turbos logging 2010kgh on the air flow. With the stock box map i struggled to get these numbers with E60 so that will be interesting when we get round to that again. Oh and it's still on standard intakes and downpipes, I'm getting too old for the noise 

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