If your 507 hp BMW M6 Convertible is not quite fast enough for your taste then a visit to G-Power might be a good idea. The German tuning house can upgrade your existing 5.0 liter V10 with a Bi-Kompressor system to a breathtaking 635 hp (467 kW).
G-Power works its magic through two ASA T1-12 compressors, one for each cylinder [...]