Gearhead Tunes a BMW M4 and Ends Up With 0.2 Second Slower-Than-Stock 0–60 Times

Tuning is to cars what coffee is to humans – it kicks it up a notch, and some carmakers have gone to great lengths to provide tuned versions of their stock vehicles. BMW is an example of a carmaker, with its M division renowned worldwide. But then, situations like these in this story happen: someone gets their hands on a BMW M4 Competition xDrive and decides to tune it up further. Not much, just about 20% more engine power and a... (continue reading...)