$50 - save your money. The only benefit with Nitrogen is your tires won't lose pressure as much. I would find it most beneficial on my trailer tires that get really hot on the highway and then are dunked into water regularly, big temp swings. But I don't so gives me an excuse to have air compressor in the garage.

 

Already have Nitrogen in my tires...Dealer did it. Now I have a Tire Pressure low indicator lit and they tell me they can put in Nitrogen...$49.95 and they service them for a year!!! I'm thinking AIR!!

 

Not a fan of the Nitrogen. More hassle then its worth in my opinion. As long as the compressor has a good filter on it and it keeps the air as dry as possible, that is all you need.

 

Aircraft use Nitrogen because it is inert and has much less expansion/contraction due to temperature... important when you fly at high altitude and then land and your brakes get super hot (I used to design/build/test aircraft wheels and brakes - they get very hot!)

But your car wheels don't change temperature that much... so air is fine.

About the one place I'd think it could be good to use nitrogen is in trailer tires if you haul a camper from cold to hot every winter. I know my grandfather always stopped a couple times on the way down to Florida to check tire pressure.

But still, if they want 50 bucks... screw it... just check your air pressure once in awhile...

 

what does nitrogen have to do with aircraft brakes? I have nitrogen in my plane's main landing gear oleo's to stop expansion/contraction when flying above 10K feet

 

the way i see it is that they couldnt charge you for are, so now they charge you for "nitrogen" im sure its just a reg. compressor that says nitrogen on it

 

Air expands more than nitrogen as it heats up. The heat from aircraft brakes will heat up the wheels so the nitrogen helps to reduce changes in pressure.

Nitrogen is also an inert gas... so if you ever need to perform an RTO and the wheel fuses melt it will reduce chances of a fire.

 

When I got my new BFG's they offered free nitrogen filled with the purchase.

As far as paying $50... I'd pass..

 

The costco here in Canada charges $15 a tire for mounting (15X4 = $60), that's with nitrogen, road hazard, free rotations. You are saving $50 on a $60 tire change? $10? As far as nitrogen goes, it's just the lastest gimmick for the mechanics to sell you on, it IS less susceptible to temperature changes but save your money and buy yourself a $5 pressure gauge.