Rastatt, Germany is, by most accounts, a place you wouldn’t be able to point on a map even if you’re life depended on it, but that doesn’t mean the town is a mere afterthought. On the contrary, it’s the home of German tuner ATT-TEC, a tuning company that specializes in wicked programs for BMWs.

Their latest project is for the BMW M3 E93 Convertible. Comprised of a complete aerodynamic and performance upgrade, ATT-TEC went to great lengths to give the M3 some serious looking edge. Aesthetically, the tuner gave the sports car a matte black wrapping foil to go with new carbon fiber components, particularly on the hood, the grille, mirrors, and side gills. Then, they fitted the M3 with a new set of 20" one-piece forged ADV.1 rims wrapped in 245/30R20 (front) and 295/20R20 (rear) Vredestein Ultrac Sessanta tires. Finally, ATT-TEC gave the car a KW Variant 3 inox-line coilover kit, which is adjustable for ride height, rebound, and damping.[...]

Source: topspeed