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Old 07-19-2017, 06:33 AM
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Originally Posted by JamesNoBrakes View Post
Except that if you drive on the run flat while it's flat, it'll get you somewhere, but you destroy the tire sidewall in the process and it has to be replaced, which if the treadwear is uneven can be a huge cost, especially for AWD.
IMO if the tread depth of the remaining tires is sufficiently low enough to be of concern I would replace all four tires anyway. While they technically may not be at the end of their service life they're sufficiently worn where I would consider replacing them anyway.
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