Was wondering about purchasing the forged alloy wheels for my M3. Question is, I was wondering if it would be ok to put 225/45/17 on the rear as well (I would be buyiing same size for all 4 wheels). Would this configuration mess up the car or hinder its performance in any way? Reason I would like to do this is that I would like to use the forged alloy wheels during the fall/winter season so that I can equip it with pirelli P7000 supersports. I know winter tires are what most people use, but it doesn't snow much down here and I think the pirellis would do a fine job. In the spring/summer time I would equip my ten spokes with summer tires and enjoy the season. Any suggestions, comments? Thanks for any feedback.