SAT II's Importance to Uni of Mich???

Are they important whatsoever to admissions? Should i even bother sending them?

If they are good, send them in. If not, you don’t. It is not required, but they will review it if submitted only if that may help your application.

I agree with billcsho. Good results on subject tests can certainly enhance your application, but no subject tests will not put you at a disadvantage.