E46Fanatics - View Single Post - 330i Doctors...come in for diagnosis.
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Old 11-23-2012, 06:33 PM   #28
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Join Date: Mar 2006
Location: Clear skies, USA
Posts: 273
My Ride: E90 330i
Battery is fine, been tested.

No way to really know if it's the voltage regulator or the alternator without pulling it.....and if I'm going to pull it I'm going to replace the whole thing as prev. maintenance. I was hoping I could get away with just replacing the VR but it doesn't make much sense. Murphy's Law says I'll be be replacing the alt. in 10K anyway if I just change the VR.
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