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Old 02-12-2013, 04:33 PM   #27
bmwbob89
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Join Date: Jun 2012
Location: Newburyport Ma,
Posts: 486
My Ride: M-5 325 X3 528 740
Look at the date on the battery. If its 02 or 03 its original. Replace it. If its only a couple of years old keep it. Wait until you have the alt out for something else and then put a regulator in it. Look at the alt and see if it looks like its been replaced as a lot of them have failed. FSR only needs replaced as they fail and the new ones are not much if any better than the old ones.
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