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Old 05-17-2012, 02:17 PM   #91
Registered User
Join Date: Jan 2012
Location: Daly City, CA
Posts: 311
My Ride: '02 325ci
So I did the DIY, and everything started going as advertised. About ten minutes into my drive after having installed the new voltage regulator (did it without removing the alternator), everything was going well. Then all of a sudden I check my battery and it's back down to 12.1-12.2V after having been 13.8-14.0. I stop the car and upon re-starting it.. The dreaded red battery light is back. I installed a new Duralast 49-DL exactly a week ago.

Any help would be greatly appreciated.
'02 325ci 5MT

I take pictures in the San Francisco Bay Area.
filipinoise is offline   Reply With Quote