BMW M3 - a supercar refined - Introduction

When the BMW M3 goes on sale in the UK in September, it'll only share its looks with the conventional 3 Series.

Apart from the doors, bootlid, windows and front and rear lamps, it's a completely different beast.

Beast would be an unfair way to describe it, though - despite its astonishing performance, it's refined and cultured, too.

To find out just how good it is, read on.