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E46 General discussion and technical help for 1999-2004 3 series cars.

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Old 08-03-2010, 11:19 PM   #1
pibmmer

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Temperature sensor

Hi. I own a 2002 325i. I'm having a problem with my temperature sensor. it's saying "-40" when it's probably 80f outside. i have no problem with the temperature inside, it's just the giving me a wrong temperature reading. what can be the problem?
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Old 08-06-2010, 10:01 AM   #2
Big Evil
 
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Ambient temp sensor in the front bumper, check wiring, could also be a dead sensor. Check wiring first though, those sensors are NOT cheap
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