Quote Originally Posted by jmmx258
The only thing your running a risk on is your wheel bearings. Same as running a low offset. If it were me, your not going to gain much as far as handling goes, and I'm sure you paid a pretty penny for the brakes.

If, however, it were me. I'd try and shave it off first to make the room.

When you move your wheels out, you increase the leverage on wheel bearings. When you've got 3K pounds sitting on them, that leverage is considerably increased.
12mm isn't too bad, i'd be more concerned with running 0 offset wheels on cars that should normally have a 37+mm offset.