Quote:
Originally Posted by PeteyF36
Again sorry to revive a old thread
im looking to replace my 225/45/18 square setup with a 245/40/18 and car is xdrive
so trying to match up a spare tire kit since ill be taking off the run flats and closest ive found is with 1.2%. only time i would be running that spare is if a tire goes out. so for a short time i would be on it would it ruin the system?
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You should be fine with that difference for short-term spare use.