i知 currently looking at a 2007 328i and i found out that the batteries have to be registered. i plan on adding a 3500 watt amp and would like to add a second battery, how does battery registering work if you have two batteries?
The issue may be that the car痴 charging system may not be able to keep 2 batteries charged. Yes, you値l have to register the new battery. But, guess what! That値l likely wipe out the original battery痴 registration.
Btw, do you have enough money for hearing sides?
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