Audi S3 Concept

German tuning company O.CT Tuning released the first details and photos of another package for the Audi S3. Called Boehler concept BS3, the car is based on the quattro version of the S3, powered by an upgraded engine that delivers 328 hp (241 kW) and a maximum torque of 425 Nm. The power upgrade was made by fitting a a specially developed Engine control unit, deep thorated Sportexhaust with