Battery Discharge - BMW M5 Forum and M6 Forums
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post #1 of 6 Old 22nd January 2013, 09:48 PM Thread Starter
Lizard1
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Battery Discharge

Pulled up to my office after lunch and got a "chime" saying I need to charge my battery. When I look up in the "status" screen it just states my battery has been discharging. Car is 4mos old with 2200 miles.

Fear my local dealer will have no idea why and just tell me to charge it up - extensive history of not having the most knowledgeable techs or advisors. I actually had to print up the page discussing the 1200 mile break-in service as they had no idea what i was talking about.

Any ideas?
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post #2 of 6 Old 23rd January 2013, 03:31 AM
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I had this warning pop up yesterday afternoon for the first time. It went away after my drive to the office this morning. My car is only two months old. I'm hoping its not an ongoing issue.
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post #3 of 6 Old 25th January 2013, 05:21 AM Thread Starter
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I had not driven the car for 3 days when I first received this MSG. It finally went away after a couple of days of driving
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post #4 of 6 Old 25th January 2013, 09:17 PM
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i had this issue 3 days into owning the beast , dealer replaced battery !

Dont wait it'll get worse and start shutting down your accesories like powersteering , int lights , etc

2013 F10 M5
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post #5 of 6 Old 26th January 2013, 06:42 PM
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You also may want to check if you have accessories (iPod/phone/etc) plugged into any of the auxiliary outlets (center console/trunk) and possible draw any power
I've had my car sitting in storage for weeks and never an issue with excessive discharge

13 F10 M5 Individual / Brilliant White / Extended/Full Cohiba Brown (Exec/Driver/B&O/20") / A few Euro add-ons / Stealth K40 / Upgraded B&O / ///M Performance Carbon Interior Trim / Color matched side and front grills (lightly tinted LEDs) / Akrapovic Evolution Exhaust / Hartge Springs / HRE S107
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post #6 of 6 Old 26th January 2013, 07:56 PM
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Had a similar problem but in my case the symptom started with a battery warning when I first picked the car up. After a few miles all seemed ok but auto stop start didn't work. This problem continued for a couple of weeks during the running in period. At the first service the dealer tested the battery and found that it wouldn't charge past 80%. Battery was replaced and everything started working properly.
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