Quote:
Originally Posted by Bay950
i just had some 400m wheels powder coated and im looking to put some Michelin super sports or some sport 4s tires. Tire Rack recommends 255 40 18 on the rears, but im thinking of doing 255 45 18 on the back. Anybody done this or know any problems i might have doing this? My suspension is all stock and is a RWD no xdrive
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255/40/18 is 26", 255/45/18 is 27"
it will fit without issue however a taller(gearing) heavier tire will negatively impact your acceleration if you care. the larger sidewall will also make your the 18" look smaller.
i'd recommend 245/40/18 on the 18x8 up front and 255/40/18 on the 18x8.5" rear for non x-drive m-sport.