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Thread: Nitrogen, not air, in the tires?

  1. #1
    Senior Member SpongeBob's Avatar
    Join Date
    Jul 2004
    Baltimore - near Towson

    Question Nitrogen, not air, in the tires?

    Well --- sensible to give the dealer his money for it? Regular (all highway) driving?

    What's your thoughts?

  2. #2
    Senior Member odortiz's Avatar
    Join Date
    Sep 2004
    No. VA (Police State)
    an advantage of nitrogen is it doesn't change pressures as much with temperature.
    one reason planes use nitrogen for tires. pressures would drop while at high altitude from the freezing temps.
    also good on the track. i see no advantage to using it on the street.

    on a side note, if you use nitrogen on track tires, do you fill with nitrogen untill you get your hot pressure you had with regulat air?
    95 M3, 6-speed, 3.73
    Extensive weight reduction

  3. #3
    Senior Member SMOODY's Avatar
    Join Date
    Nov 2004
    Golden, CO
    This topic has come up before. Some good discussion took place in the following threads.
    2001 330i (my car)
    2004 Audi Allroad (wife's car and family truckster)

  4. #4
    Senior Member
    Join Date
    Sep 2004
    The only reason to do so in a passenger car is that the lack of oxygen inside will reduce the amount of degradation in teh tire due to oxidation. And sicne passenger car tires shouldn't be used for more than 6 - 10 years (is expecteed to become US law or regulation at some point) this isn't a big deal.

    And for the track it is convenient, since a small bottle of N2 will fill a good number of tires, and not require eletricity like a small compressor.
    Terry Carraway
    02 Topaz E46 M3 SMG
    00 Dakar M Roadster
    95 Alpine E36 M3 LTW
    SCCA Spec Racer Ford Red/White

  5. #5
    Junior Member
    Join Date
    Dec 2004
    Woodbridge, Virginia

    Nitrogen In Aircraft

    We use nitrogen in the nose strut of my airplane because it preserves the rubber in the seals.
    E36 M3
    E46 325xiT
    "My head hurts, my feet stink, and I don't love Jesus...and if I'm not dead by Thursday I'll be roaring Friday night." ::Jimmy Buffett

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