The first thing you notice about the 2011 BMW M5 is its size. Compared to the E60 M5 chase car, it's positively huge. It also appears to adapt 2009 BMW 7-series proportions. Does this mean it'll adapt that vehicle's über-conservative styling too? We're not sure yet. What we do know is that the biggest change will come in the engine compartment, click through to find out why.
Gizmodo · Wes Siler