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      11-27-2011, 09:11 PM   #14
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Drives: Frozen M3, AM V8V, 991 GT3
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Originally Posted by PhillyNate View Post
Why the hell are we the only country with an actual sensor in the wheels? What possible benefit could this have? Which system is better? I think I know the answer to all of these questions but feel free to chime in anyway.
I believe its mandated in the US to have TPM mounted in the wheels in the form of a pressure sensor. Whereas in Canada we do not have that mandate (and quite possibly pretty much the rest of the world) The ABS system is used in our case as a FTM. (based on individual wheel speed or rotation). Not sure which is best. I would think an actual pressure sensor would be quicker to warn the driver of a tire issue though.