Quote:

Originally Posted by DSXMachina there is thought of putting a clutch on it so it presents no load when the battery is fully charged

Not sure about the F30 but this is reality on the F10 ...... alternator is disengaged when accelerating or there is a load on the engine!

But new batteries are only $500 - $550 for the F10

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2011 535i Black Sapphire Metallic, Sport, Euro Del (ret)
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