NitroFill Tires? i am wondering about filling your tires with nitrogen i heard some shops do it... any benefits?
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300E 1993 121k MILES (MINE)
S500 2004 4 Matic 37,000 MILES (mine)
BMW 750Li 2007 15,700 MILES (Dad)
Lexus GS460 (Mom) 9,000 MILES (too much power)
2007 E350 4 Matic (Side Car) 11000 MILES
07 STi with a bit of work done to her... (brothers)
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2003 c320 Sedan - Completely updated to 2005 spec with all euro and usa options
2002 s500 Sedan - Completely updated to 2006 spec with all USA options and some euro options.
Nitrogen is used due to its low expansion with heat, So if you lived in arizona and it was 35 in the AM and you ran the highway at noon at 110 degrees at 110 MPH your tire pressure would be more stable than compressed air fills. It would be more help to a trucker than a small low profile Rice burner tire.
I'd say the only advantage is that nitrogen will escape from your tires at a much slower rate then normal air. If you are like some people who neglect tending to their tire pressure then it might be worth it. But then again, i've never tried it myself, so it very well could be a gimmick. There are a few websites that have info on it. hit up google.
some people claim that it improves ride which i think is bs, and tire pressure change is negligable unless you are a trucker.
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92 300E with 145k, charcoal on black interior
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For typical (sane) street driving, you'll never see or feel or measure any difference between pure nitrogen and common compressed air (which is mostly nitrogen anyway).
However, Nitrogen is generally pure. Hence, it never has any moisture in it.
Moisture is only a problem at extremely high temperatures, which are sometimes seen in racing tires on the track. Moisture in the air is just very small droplets of water suspended in the air. But the moisture is non-compressible, and it expands with heat, displacing the gasses in the air and raising the tire pressure. At extreme temperatures (carcass temperatures of 230F or higher are common for some road racing tires), the effect is significant. Boiling the moisture is also a major concern, but only in very light weight cars that run racing slicks with very low tire pressures. At the pressures inside a typical tire, the boiling point of the moisture is raised to the point where even racing conditions won't usually boil the moisture.
westonian's comment is way off. Air is around 78 percent nitrogen, so if nitrogen doesn't leak out, neither will normal air.
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