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      07-27-2009, 06:52 PM   #6
Enlisted Member

Drives: 2006 330i
Join Date: Jul 2009
Location: Ohio

Posts: 49
iTrader: (0)

While driving the car as a daily driver can seem like its enough for the battery the mileage of the drive matters as well. Say for example you drive your car 3 times a day each for about 5 miles (running errands, close to work/school etc), that can be bad for the battery as well. I know this isn't the case because you've stated it only comes on after driving for 30 mins, but I thought it might be usefull to know.