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Are there any dynos out there on.a B58 with the racechip GTS? They claim +75hp/tq. This seems a bit high vs JB4/dinan. Is this the increase in max hp and torque or are they claiming the max increase at a given rpm like some others do?
Also, are they playing games like using the advertised numbers as the baseline (which is under rated) and then advertising their gains over BMW's under rated numbers?
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