E46Fanatics - View Single Post - Non -m electrical issue possibly voltage regulator
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Old 12-08-2012, 10:55 PM   #11
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Join Date: Oct 2011
Location: Seattle
Posts: 975
My Ride: 2002 BMW 325i
I had the same issue after installing amp and sub. Changed battery and it helped, but was told i should get a capacitor to be sure to prevent issues in future.

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