Quote:
Originally Posted by E90Fleet
The old systems used to be in the tires and actually cheked the pressure
The new systems use DSC to detect a change in the rolling diameter of the wheel due to a pressure loss.
You must reset the system each time you change the tire pressures or change a tire.
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I think you got that flipped, I believe all cars 07 and up have tpms in the tires and earlier models than that used the DSC.