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I'm interested in a tune for my 2014 Comp M5 however I'm concerned about your numbers because we don't have anyway of knowing the actual improvement to justify cost vs value. You haven't established the actual gain from your tune. You are starting with what BMW says the car has. How about a dyno from start and then a result after your tune. Everyone states our cars are under reported in terms of torque/hp.
Thanks.
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