Quote:
Originally Posted by Skywagon
I apologize if this post is redundant. Save your money. Nitrogen is used in aircraft tires for two reasons. Extremely high pressures, I've seen some on airliners as high as 120 psi. Also because of the incredible temperature variations the tires are subjected to. Let's say it's 100F on the surface coupled with a 10,000 foot take off roll on a heavy airplane and then a -60F at 39,000 feet for hours at cruise. I guess nitogen does not expand and contract as much as good old air. No, I never used a laptop computer in the cockpit. I did sleep and read the paper though. It's a long way from NY City to Tokyo. Most importantly, when it comes to pilots, the old cliche' "you get what you pay for" is truly profound!!
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What the heck. For forty bucks with tire-life free refills, I went ahead and had my dealer do the nitrogen on my new 2010 X6. 5.0. That's what it costs for three people to have lunch at the local generic Garbage Burger. We did 41/42 PSI front/rear and since I do a lot of driving between warm Virginia and very cold Michigan (!) every winter, I decided that it certainly couldn't hurt. After spending so much on this vehicle, and paying to have a 3M clear bra installed, why not splurge? I'll save those forty bucks just by not going to Starbucks for a week (good reason to get out of that habit since I hate their coffee anyway).