This certainly is interesting given that BMW issued an SIB on the Nitrogen debate back in April 2006 (see SIB 360406 attached):
BMW Accessories - 2010 X5 M SAV:Nitrogen Logo Valve Stem Caps
Quote:
Originally Posted by X5 Meister
Regarding the nitrogen filling, just how do you think Costco is going to remove the air in the tires completely and fill them with nitrogen? Anyway, BMW issued a TSB on this issue and basically it's nonsense.
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