spatlese44

I've got an E350 coupe that I just bought and am looking for a second set of rims for snow tires and am thinking of using 85151 rims and going 8x18 square with it. Is this a good idea and any ideas on TPMs and center caps would be appreciated. Will they fit and are there better TPMs that I should look into? I love the AMG rims and will be putting summer tires on but for winter need a solution.