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      09-15-2011, 11:40 AM   #12
tom @ eas
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Originally Posted by KenH View Post
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?
Correct, BERU manufacturers the TPMS sensors for BMW.

Aftermarket kits generally seen on eBay or elsewhere advertised as "low cost replacements", or in some cases - not compatible with certain aftermarket wheels generally are not recommended.

Originally Posted by KenH View Post
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?
Yes, however the TPMS system is much different than previous models - changing from 4 separate receivers to just one.

The Macht Schnell TPMS module is also compatible with the new systems.