SUBSCRIBE for more great car videos: http://aex.ae/2gY9ABE This is the all new BMW M4. On paper, the latest generation of Munich's hot two-door offers huge promise: the already capable 4 Series is boosted courtesy of a M-Division's 3.0-litre twin-turbo straight six with a thumping 503bhp and 650Nm of torque. So is it the sharpest BMW coupe to date? Steve Sutcliffe gets behind the wheel and gives it a grilling. More Auto Express videos Car reviews playlist: http://aex.ae/2gY4ViX More on AutoExpress.co.uk Top 10 best executive cars: http://aex.ae/2eDiPbf Top 10 best performance cars: http://aex.ae/25P2yTm Follow us Twitter: https://twitter.com/AutoExpress Facebook: https://www.facebook.com/AutoExpress Instagram: https://www.instagram.com/autoexpressmagazine