Quote:
Originally Posted by FSETH
What happens if you do this? It just negates the point of the nitrogen, correct?
I am going to have to replace my tires in the next few months and I was actually thinking about just topping up with regualr air if the levels happen to below instead of making a trip to thetire place and waiting.
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I was told by the Mercedes dealer (who may or may not be correct) that you should not top off a nitrogen filled tire with regular air. That, according to him, will introduce some water into the mix, thus negating the effectiveness of the "dry" nitrogen.