The Liberty Walk BMW M4 Cabriolet is the one that we know least about. Still, being aware of how the company rolls, it probably remains stock in the engine bay, so apart from the carbon fiber ...

The new BMW M4 made German ... we're eager to find out what Liberty Walk and Pandem/Rocket Bunny are cooking. Until these Japanese culture shockers get their hands on the M4, we can at least ...