Thread: TPMS "Inactive"
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      06-01-2012, 04:44 PM   #18
acj75
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Drives: '07 E92 335i
Join Date: Jul 2007
Location: DFW Texas

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Quote:
Originally Posted by bavarianx View Post
If you have an 07 its probably getting close to replacement time on your sensors.
Some tire shops have a tool, looks like this:



That shows battery life and if its functioning. The sensors last 5-7 years then the battery runs out..
You were correct. Took it back to Discount and the tool showed the battery was dead. They replaced it, and everything is good
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