What makes you think the crappy nitrogen concentrators that make 93% nitrogen dont also have water contamination.
Originally Posted by Pourboire
The only reason they use nitrogen is because air has water in its makeup. The water will eventually effect the TPMS over a period of time. If nitrogen has been used within the tire before their is no reason for replacement of the monitors. Basically its you call regarding comfort level.
Fears about sensor damage if you dont use nitrogen are just part of the scam around up-selling N2 fills.
Keep it as simple as possible...but no simpler.