Unless I missed it, there's no listing for MINI in the application chart

 

so make it fit, im sure a Miata one would work.

it looks like its a universal enough fit that you could just make one from a simmilar car fit.

 

My bad! I got so excited when I say this, I just assumed it would fit all cars. I emailed them to see if they have something for a MC. When I did a search for "convertible wind deflector" I did get several things back.