Bimmerfest - BMW Forums - View Single Post - Cool to run subs on stock battery?
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Old 01-09-2013, 11:18 PM
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ill540i ill540i is offline
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Location: riverside
Join Date: Jul 2012
Posts: 115
Mein Auto: Bmw 540i
I had an l7 with alpine m100 amp in my trunk with the stock battery and it lasted for about 5 months

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