I haven't purchased my winter rubber yet. I'm going down from 17" alloys to 16" steelies, for my winter wheels. I shouldn't have an issue with fitment will I? I assume they should clear the brake calipers just fine, right? I have also been reading about the TPMS for my car, if I get an extra set for the winter wheels, will the car's computer need to be reprogrammed whenever I switch my wheels or will the computer log both sets of TPMS IDs? I am thinking that it may not even make sense to pay the extra money for extra sensors though. I could probably live with the warning light being on all winter.