Cars like the E31 BMW M8, the V16 7 Series, and this—a V12-powered BMW Z3. And BMWBlog was given access to BMW Classic’s collection to check it out. You’ve seen the Z3. It’s tiny.

The goal was a 500-horsepower BMW Z3, and they delivered on that promise. With tons of Summit Racing parts provided for the swap, the build was pretty solid. This wasn't meant to be a quick build ...