18x8.5 +35 square, 235/45/18, continental extremecontact dws06. No fitment/rubbing or x-drive issues.
https://f30.bimmerpost.com/forums/sh...r+dummy&page=2
also, if you have (blue) m-sport brakes, 18" vmr may not fit because the caliper may touch the barrell. if you have base brakes, you shouldn't have a problem.