Quote:
Originally Posted by JCL
My BMW ABS-based tire monitors did not compare the pressure to any preset, they simply compared the rotational speed of any one wheel to the average of the others. All of them could be low with no warning.
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The tires in my E46 M3 were all a little low compared to the preset pressure during my road trip to the tail of the dragon. The tpms light lit up a few times until I filled up the tires again.
Now i think about it, the abs sensor based system actually does work quite well.