This is definitely the loudest BMW E60 M5 ever! This 'black beast' is tuned with a 5.8L V10 Dinan Stroker, delivering 630HP and has a topspeed of 340km/h! Just amazing!
In this video you can see it racing against an Audi R8 V10 MTM (606HP) and a Porsche 997 Turbo RSR Capristo (660HP).
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