var addthis_pub="mastersairab 2011 BMW M5: Twin Turbocharged Uber Sports Sedan Spied .fullpost{display:inline;} Just as we revealed the first official photos of the all-new BMW X1, our email box was flooded with a plethora of spy shots of the next-generation BMW M5 sports sedan that is due for release in early 2011. But wait, how can we be certain that the