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Originally Posted by STALKER
Don't believe the hype about OEM wheels, they are not bad quality wheels, but they are not great either, and the dealer over charges for what they are.
You are better off just getting new sensors, they should be located near or in the valve stem assembly.
I was rather upset when BMW decided to not use the pressure monitoring system they use on most M models, as the sensor is built into the ABS system. Its far more accurate, reliable, less false alarms, and you don't need to purchase sensors each time you get a set of wheels.
I guess its cheaper for them to use the current system we see on the the e70 and most of the current BMW line up.
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i don't think it's cheaper to use the current system vs. the abs system. the abs system just monitors wheel spin, as i understand it, and does not require any additional parts. and the abs system doesn't monitor actual pressure.
the system on the x5, as i believe, uses an actual sensor to monitor the pressure. the stupid part, is they don't TELL us the pressure they are monitoring, which i don't understand why.