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Non BMW General Automotive DiscussionTalk about any other car make here
So i had my wheels refinished and straightened, and i also got some new Michelin Pilot sports, which i purchased at costco.
So costco installed the tires and put nitrogen in the wheels. From what i read it stays inflated longer. Havent read to much about it yet, but what are the cons and pros? every article i read just shows the pros..and the only con is price?
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**CGM **(Certified Garage Mechanic)
Pretty much yeah. Nitrogen doesn't expand and contract in hot and cold like normal air does. I have nitrogen in my tires and they never loose pressure really, only downside is that air is free and nitrogen costs a little bit.
i heard about this before and i think it said that nitrogen has larger particles so it doesnt leak out as easily. who knows. sounds like crap to me. fill them with argon or something, that will be interesting.
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Air is 78% Nitrogen. It is of very little advantage.
As both are next to each other on the periodic table, they are both of similar molecular siz and weight. The advantage to using Nitrogen is that it is dry. If you buy your Air from Air Liquide, BOC (or the like) there Air is just as dry. It is the expansion of the water in the air that changes the pressure.
As you aren't talking about a race car (and even then it is pointless, until you hit F1), save your money. Trucking companies use it significantly as it does aid in the aging of the tyre. Car tyres wear out faster, so this is not a concern to you.
Aeroplanes use Nitrogen as they use much higher pressures in their tyres and the concern is more about adding Oxygen to very hot components and fueling a fire.
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I've read that there are advantages to using nitrogen, the tire runs cooler (hence better fuel economy?), the inner rubber isn't prone to the deteriorating effects of oxygen being the two principal ones, but as for the cost most places are charging, fuhgeddaboudit. I'd spend a buck a tire, and at that they'd be making a tidy profit, but nothing beyond that.