Originally Posted by hyperboost
nicely done but why do a cage on a vert?
I'm not saying I'd do it, but I can see why someone would. Most clubs require roll protection that's taller than your helmet. I'm not sure what the rules are regarding the E93 M3, but he removed his factory seat which has the built-in roll protection. If he likes tracking his E93 a lot and wants to run bucket seats, this is the only way to go.
Using an E93 as a track car is a whole other story. But I'm sure there are guys in spec miatas looking at my pig E92 M3 with a cage and thinking the same thing. It's all relative.