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      01-08-2014, 09:44 AM   #6
Jasboarder05
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Drives: 2013 BMW X3 28i
Join Date: May 2012
Location: Madison WI

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I put a battery charger on the battery connectors under the hood last night. before applying the charger the battery was at 12.45V. This morning after running a 2amp charger the battery was full charged and is currently at 12.96V. Tire pressure this morning while the tires were cold were still at the 32 PSI front and 35 PSI rear so I don't believe tire pressure actually played a role in the TPMS low trigger. I learned something last night though…………….. If you have a cradle for your iPhone 5 the car will charge it even though the car is off! This is not a nice feature if you forget your iPhone in the car for an hour or so. This happened to me earlier in the week and i bet that was the culprit. Thanks everyone and as always you guys are a great help.
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