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      11-26-2012, 04:54 PM   #1
frankzlin79
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Questions on OEM TPMS Sensors

Does anybody know what type of battery model is contained inside the 2010+ OEM TPMS sensors?

How do you access the battery?

Also what is the typical battery life?


I need to have my TPMS sensors transferred from one set of wheels to another set of wheels. Before I do so, I was considering buying four new batteries for them since I fear that the batteries may wear out before the tires need replacement.

My car is a 2010 M3, so the batteries have been running for about 2.5 years now...My car will be out of warranty in about 7 months so I'm not going to rely on the dealer replacing the batteries for me.
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      11-26-2012, 05:01 PM   #2
Rshane
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Googled this real quick:

http://www.tirereview.com/article/86...batteries.aspx

Bottom line, batteries are "entombed" in the assembly, you can't replace them. However, life expectancy is 5-12 years.
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      11-26-2012, 06:55 PM   #3
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Thanks! Very informative. Answered all my questions.
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