I've never really saw the big benefit of Nitrogen until talking to a tire installer about tire pressure sensors and longevity. He wasn't trying to sell me on N and I wasn't asking about it. He had stated that there are some places that may not drain their air compressors of moisture regularly (I've seen this at the local gas station with water spitting out of the air hose tip).
The moisture introduced into the tire/wheel can promote corrosion with the TPMS (or the metal clip that helps secure it). The corrosion, after a few years, can cause the sensor to fail prematurely. Nitrogen, of course, won't have those issues.
That, combined with Nitrogen's stability, may make me switch over.
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