BMW have been making Boxer engined bikes since 1923 but when they made this 2007 upgrade to the series they certainly pulled out all the stops.

With the first ever quick-shift gear change on a production bike and all this history, the HP2 was always going to be well received. That didn't stop the manufacturers from adding an awe inspiring 1,170cc, twin-cylinder four-stroke, eight valves, 131bhp engine.