Tim Watson drives the the BBR MX5, a modified mx 5 miata with a difference. So what is the bbr mx5 supercharger kit? Our Tim tries the bbr mx5 supercharger, a kit available for the bbr mx 5 nd in bbr mx 5 nc super 225 stage 1 and bbr mx5 nd super 250 stage 2 versions. Is this modified mazda mx5 Better than the Boxster? We find out with this bbr mx5 review of the bbr mx5 kit.