Quote:
Originally Posted by upallnight
Strange that you can get the sport options that comes with 18" wheels, but the spare is just 17". What were BMW engineers thinking?
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That if the OD is the same (tire), the rim diameter is meaningless provided it fits over the brakes.
And if you're carrying it 'for if', it's better than not having a spare. Limp it to the next town and you'll be fine.