Mercedes-AMG, BMW, Porsche, and Audi all have their very strong competitors in the sports car segment ... drag race. We are talking about the latest Porsche 911 GT3 and the BMW M4 CSL.

If you've not watched Adrenalin - The BMW Touring Car Story ... shod in racing slicks. BMW's busy motor show stand meant we couldn't spend as much time pouring over the CSL's details as we'd ...