It was also what convinced Kevin Bird, technical director at BMW specialist ... to tame the M140i’s rear end, while the manual ’box gets a short-shift kit and clutch upgrade.

Prices shown for the used 2016 BMW M4 Convertible 2D M4 I6 Turbo with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

The M Sport pack adds 18-inch light-alloy wheels and the tough body kit ... that the M140i, with its 3.0-litre six-cylinder turbo-petrol engine, is the least fuel efficient but its official figure of ...

The M Sport pack adds 18-inch light-alloy wheels and the tough body kit ... that the M140i, with its 3.0-litre six-cylinder turbo-petrol engine, is the least fuel efficient but its official figure of ...