Clock needs reset
05-03-2014, 01:58 PM
#1
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Location: Long Island
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My Ride: 535XIT Space Gray, Cream Beige LeatherCold Weather, Premium, Auto, Rear Side Window Shapes, Heated Rear Seats, Park Distance, Navigation, Satellite Radio
Model Year: 08
Clock needs reset
This winter I let my o8 e61 sit outside for more than a week under a blanket of snow.
On first start it gave me a low voltage warning but that went away since I drove it for a while.
After the clock would lose time and I would have to reset even after a few days.
Now that is warm I don't seem to have any issues.
My question is :
1) Someone told me that the clock is powered by a capacitor and not the battery in sleep mode is that true?
2) Is this a sign that I need to replace the battery even though I only got the low voltage message once and that was with the car siting for more than a week in the extreme cold?
I would say that the car started was proof that the battery is still strong?
On first start it gave me a low voltage warning but that went away since I drove it for a while.
After the clock would lose time and I would have to reset even after a few days.
Now that is warm I don't seem to have any issues.
My question is :
1) Someone told me that the clock is powered by a capacitor and not the battery in sleep mode is that true?
2) Is this a sign that I need to replace the battery even though I only got the low voltage message once and that was with the car siting for more than a week in the extreme cold?
I would say that the car started was proof that the battery is still strong?
05-03-2014, 03:05 PM
#2
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Location: UpState SC
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My Ride: 2008 535i LCI with sports/premium package, Sports trans with paddle shifters, CF emblems, JB4 Software, Dinan Exhaust, Navigation, M5Tech body kit, Carbon wrap interrior trim and CIC Controller.
I agree, mine was doing this too. If I let it sit for a week or so or if in my garaged and not locked and if I were in and out of car but not driving it, I would get the message. It's signs the battery is weaker. As long as I ran car every day or so all was ok. I did change the battery and no longer have this going on.
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