The all-new BMW M5 produces a mind-numbing 552bhp from its twin-turbocharged V8 engine. That's enough to launch the 1870kg super-saloon to 62mph in just 4.5...
Which is quicker around Cadwell Park, car or bike? We pit the new M5 against BMW's hottest superbike to find out Full story here: www.autoexpress.co.uk...