Originally Posted by LeonMsport
I wouldn't do it. If you look at the new 5 series, it is rather large (i.e., compared to previous models). I think going down in rim size may throw off the aesthetic balance of the car -- but that is just my personal opinion.
I agree I just put my winter set up on and although the wheels are nice, they are definitely too small for the car. I see a few base 528i's on the road and they have 17" or 18" and it just doesn't look right.