Who said that American tuners do not know how to update a German sports coupe? Active Autowerke, a Miami-based tuning shop, and Mac Auto Couture have unveiled two impressive update packages for the new BMW M3 Coupe. Their updates include significant exterior and interior improvements, but also many changes made under the hood. And although the two tuners said nothing about the new output, it is rumored that the 420 HP was left far behind.

Their package include a new front bumper, carbon Kevlar front splitters, a vented race hood, carbon Kevlar vents, new rear diffuser, carbon boot lid, REcaro seats, KW Clubsport Coilovers, performance steering wheel flat bottom.[...]

Source: topspeed