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      02-03-2014, 04:15 PM   #1
FCBuff
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Drives: '13 35 Xdrive, Msport
Join Date: Jul 2011
Location: Ft Collins

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Anyone running a Cobb tune at altitude?

Hi guys, just curious about stage I sport vs agressive tunes with a cobb access port. Wondering how it works at Denver Altitude and if 91 octane pump gas is good enough for the aggresssive tune?

Thanks!!!
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'13 X5 35i XDrive Msport
'06 M3 CB ZCP 6MT