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2009 BMW X5 Automatic resetting of date, time, trip mileage

Tiny
JACKIVEGAS52
  • MEMBER
  • 2009 BMW X5
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 9,000 MILES
Several times a week, my BMW resets the time, trip mileage, andmpg to --:--, and resets the date to a wrong date. The dealer, when called, says that it is because I don't put enough mileage on my vehicle, and that it cuts the power. I think it is a software problem~!
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Sunday, February 21st, 2010 AT 2:55 PM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Oddly enough, if they threw the old "exhaustive battery drain" or "driving profile" excuse, it aint far from fact. They are supposed to do that, if the car gets driven for only short periods of time and or it sits for extended periods. I do however agree that some memory should be non-volatile, how much power does it take to run a clock anyway?
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Monday, February 22nd, 2010 AT 12:54 AM

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