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      03-15-2008, 08:00 PM   #12
wj4
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Drives: E90 manual 335i
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Quote:
Originally Posted by e93 View Post
No TMPS sensors in Australian delivered cars. Mine is March 07. Instead the computer uses feedback from the ABS system. It monitors wheel rotation speed. A flat tyre will change the speed of rotation. Better system IMO as you can mount and change tires/wheels without worrying about those damn sensors.
That is the older system. I have that and my buddy's E39 M5 does too. It uses a logrithym system I believe.