will this tune work out of the box in high altitude (7500+ ft)?? Will there be a special map for high altitude or will it require a custom dyno tune?
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2020 X3MC
2009 135i: AW/CR Aluminum Trim, 6 speed, M-Sport, Premium, Heated Seats, Ipod, BMW Performance Pedals, BMW Performance SSK, BMW Performance Exhaust, BMW Performance Grills E93 M3 FSB
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