Quote:
Originally Posted by overdriv
temp down to 26deg. I wonder if that is enough to ruin the runflats?
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I suppose you could look for cracks.
As far as 87 octane i don't think there is any regulation. Manufacturers accommodate this because they know there may be situations where 1) higher grade fuel is not available, and 2) some customers may be forced to buy cheaper grades if fuel prices spike.