The folks at Fifth Gear test the new BMW M3 in this video. This car has a 4 Liter V8 engine, 420 HP, top speed of 155 mph and does 0-62 in just 4.8 seconds. And that’s not all. It reportedly has the most advanced engine (for production cars) in the world. The engine has an on-board computer chip which does 200 million calculations per second. And what does that mean in real terms ? Watch the video to find out.