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      01-30-2013, 01:33 AM   #21
Drives: 07 335i
Join Date: Oct 2006
Location: Edmonton

Posts: 90
iTrader: (0)

I was told that the key fob needed to be 12-15 feet away or the car, if left unlocked, would be trying to "talk" to it, therefore draining the battery. Had the issue a lot w an X6 before they admitted the battery wouldn't hold charge regardless and replaced the battery under warranty.
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