If you buy Osiris standard direct from uprev they send you a base tune and then you get 3 free updates--you datalog while you drive around and email that in, they analyze the data and adjust your tune, so you could just save the last 2 etunes for later when you got more boltons. Or if you didn't want to shell out 520 up front and weren't sure you'd use all the etunes you could buy Osiris standard from somewhere else--marketplace etc-- for 400 or so and buy the etunes from uprev for $50 each
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