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Originally Posted by derdud
I noticed this morning when I was almost at work that there was a little yellow "!" icon on the instrument cluster display. Messing with iDrive I found my way into the Service section of the menu and it said something along the lines of "High battery drain" and "vehicle may not restart".
When I got to work (about 10 minutes later) I parked in the garage and shut off the car for a moment. When I turned it back on, it started fine, but after a few seconds the "!" icon appeared again and it said "high battery drain" on the iDrive screen.
It's a 2004 530i. I just got it yesterday, and I don't recall seeing the warning at all until this morning. It sat overnight (obviously). My drive into work is about 35 minutes, so I don't know how long the warning was there because I didn't notice it until about 25 minutes in.
Has anyone seen this before?
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any after market electrical add ons may cause high drain if not installed properly, that would be a good start as well as checking the battery itself and how well it holds a charge.