Im looking for something similar, for I live outside the US and having a reflash would keep my car out for about a month. However, I haven't heard of Powerbox before, reputation and R&D are huge factors in my decision to purchase mods. So as of the moment, it would be unlikely for me to get something like this unless it gets really good reviews
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2008 AW E92 M3 (sold ) Amuse Ericsson Exhaust, Amuse Trunk, Vorsteiner Lip, BMW Performance Seats, AA SSK, AA Pulley, Gruppe-M Intake, BBS 19" LMs, AP Racing BBK
1994 BMW E36 M3 Euro (Track Car)
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