Among the many tuning firms making their way to the Geneva Motor Show is VW Group specialist MTM. The German company will display two heavily modified Audi models, based on the R8 V10 and the TT RS. The most impressive proposal is the one-off MTM R8 Biturbo that comes with a polished chrome body that took over 700 working hours to complete. A large fixed spoiler at the back along with 20-inch forged rims and carbon fiber parts round off the exterior changes. Read more »