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Greg has it right. Benefits of nitrogen do exist, but for passenger car applications are negligible as compared to *well maintained* tires with reasonably dry air.
If it gets cold out, and pressure drops with temperature, just add some air. That'll fix that pesky TPMS light.
If you're getting it free, there's no reason not to use nitrogen.. Keep on rockin. If a shop is trying to sell it to you for $10 per tire, it's not worth it.
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I have accepted a new position at Tire Rack and am no longer in the sales department. gary@tirerack.com is available to assist with M3 questions. |