Before the all-new BMW M3 sedan and M4 Coupe are launched in September, BMW has been putting these cars through its paces at the formidable Nurburgring race track. BMW iterates that their main focus..
view the full gallery by clicking on the image Vorsteiner is a specialist when it comes to tuning German cars. Having tuned the BMW E92 M3 (coupe), and offering custom exhausts, the company has..