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-   -   New Battery or Battery Tender? (http://www.bimmerfest.com/forums/showthread.php?t=648383)

X3Dave 09-26-2012 03:34 PM

New Battery or Battery Tender?
 
I have a 2010 X3. Recently I've been having problems with the battery. At first it wouldn't start in cold weather. Now it won't start sometimes in warm weather.

I typically drive it two or three times a week totaling about an hour a day (1/2 hour to work 1/2 hour back without stops). I also take it on longer trips once or twice a month averaging 130 miles a day.

During the last warranty service check in May and the technician said the battery and everything else was fine. Looked at the battery and it has a 720 CCA battery.

One day I was listening to the radio for about 15 minutes and then vehicle wouldn't start. Fortunately, I was a my buddy's house and was able to charge the battery.

The most recent incident I don't have an explanation for. The battery went dead for some reason. I jumped it with my other vehicle and then charged the battery.

I don't seem to have problems when I drive the vehicle long distances. It has started fine in cold weather after its been driven a long distance. Is a characteristic of this vehicle if you have to drive it to keep the battery charged?

Last winter I put it on a battery charger as a precautionary measure so it would start in the morning. (It sometimes stays outside). I live in Minnesota so a good battery is mandatory. However, I'm not going to buy a new battery if it isn't necessary.

al_macaroni 09-26-2012 05:50 PM

It sounds like you are driving enough and for a long enough duration to keep the battery properly charged. You should not be having battery problems with a two year old car. You may have a problem with your charging system or something electrical is not properly shutting down when the car is turned off and it is draining the battery. The blue tooth module on older model X3s sometimes have this problem.

If you are under warranty, I would take it to the dealership to get it checked out.

x3brian 09-27-2012 05:36 AM

+1 above. I have an 09 with almost 100k miles and never a start or battery issue. If under warranty I would have the problem investigated at the dealer.

john@eac 09-27-2012 08:05 AM

It almost sounds like a battery issue. However I agree with al macaroni there might be a charging system issue or a draw on the system.

bowang 09-27-2012 08:44 AM

Sounds like you need a new battery
 
I installed a new battery (AutoCraft H8-AGM) from Advance Auto Parts on 09/15/2012. So far everything works great. It's only $125.99 after using a link my friend sent to me. The link saved me $35 instantly. The battery can be used on X3, X5, X6, 3 Series and 5 Series. I got free installation at local Advance Auto Parts store. My local BMW dealer confirmed that there is no need to register a battery on a 07 X3.

Here is the link (up to 40% on everything): http://advanceautoparts.**************************

H8-AGM Spes:
Acid Included: Yes
Battery Type: AGM
Battery Usage: Auto/Truck
BCI Group Size: H8
Cold Cranking Amps: 900
Cranking Amps: 1000
Deep Cycle/Starting: Dual Purpose
Maintenance Free: Yes
Reserve Capacity: 160
Terminal Type: SAE
Weight: 59.45
Length: 13.94
Width: 6.938
Height: 7.5

Warranty:
7 Year Warranty (3 Year FREE Replacement)

Jafega 10-15-2012 09:48 PM

Quote:

Originally Posted by bowang (Post 7099749)
I installed a new battery (AutoCraft H8-AGM) from Advance Auto Parts on 09/15/2012. So far everything works great. It's only $125.99 after using a link my friend sent to me. The link saved me $35 instantly. The battery can be used on X3, X5, X6, 3 Series and 5 Series. I got free installation at local Advance Auto Parts store. My local BMW dealer confirmed that there is no need to register a battery on a 07 X3.

Here is the link (up to 40% on everything): http://advanceautoparts.**************************

H8-AGM Spes:
Acid Included: Yes
Battery Type: AGM
Battery Usage: Auto/Truck
BCI Group Size: H8
Cold Cranking Amps: 900
Cranking Amps: 1000
Deep Cycle/Starting: Dual Purpose
Maintenance Free: Yes
Reserve Capacity: 160
Terminal Type: SAE
Weight: 59.45
Length: 13.94
Width: 6.938
Height: 7.5

Warranty:
7 Year Warranty (3 Year FREE Replacement)

Thanks for the link bowang! My total came to $113.99 (free shipping) and will be ready for pick up in (2) days for my new battery. This is much easier to digest than the $600 I was quoted...yuck.


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