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      09-15-2011, 11:02 AM   #11
KenH
Private First Class
United_States
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Drives: e92m3 f25x3 e71x6
Join Date: May 2008
Location: VA

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Two comments:

You state "Aftermarket sensors are not generally reliable". However, the aftermarket sensors most readily available are made by BERU who supply BMW with essentially the same parts. Why should the non-BMW badged versions not be reliable?

The TPM system was changed in September 2009 on E9xs and the following year on some other models (e.g. X5). Although the frequency remained the same, apparently the new and old systems are not compatible. How does that impact this device?