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Old 04-24-2012, 05:43 PM   #1
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Join Date: Jan 2011
Location: New Jersey
Posts: 31
My Ride: 2004 M3 Mystic Blue
Question How does the TPMS on E46 M3 work?

I recently installed new rims. And my TPMS light is going off. I have searched countless post, but it does not answer my question. Are the TPMS for 2004 E46 M3 direct or indirect? Meaning is the sensor installed inside the wheel or is it based of the ABS. Also if it is not indirect, that means I will have to install new sensors on the new rims, right? Any help is appreciated.

Thank you!
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