
We already have a fair inkling that the new M3 will use a 415bhp 4.0-litre V8 engine with seven-speed sequential gearbox, but here we get the first chance to hear that engine.
And even though BMW has disguised the prototype with more tape than a gimp convention, we can still spot the quad tail pipes and 19in alloy wheels that will be standard fare for the production version when it goes on sale in the early part of 2007.
© Source: original article on topgear