German tuner Manhart calls this machine the MH4 GTR II. Manhart gets ahold of the BMW M4 CSL and turns it into the MH4 GTR II. The powertrain tuning pushes the twin-turbo 3.0-liter inline-six ...

You’re looking at the fastest BMW yet. On a number of parameters, too. Which is something of a relief, because the M4 CSL has a lot to live up to. The Competition, Sport, Lightweight lineage ...

Nestling behind new carbonfibre front air intakes is BMW’s S58 twin-turbocharged straight-six, with power cranked up from the M4 Competition ... bewinged GT R Pro. Here's how it stacks up ...

It remains the best value, so far as nipping the heels of supercars is concerned; A Nissan GT-R by way of Bavaria. Of course, ...