We struggle to define what a sports car is but we're pretty sure we know one when we see one. We're not convinced by the McMurtry which set the Goodwood hillclimb record. The BMW M3 Touring is interesting, but Nico sees a flaw with the M division design process. The SRO and the FIA are having a battle over GT3 regulations but we've found a simple solution to decide what should be allowed and what shouldn't.