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Old 12-03-2011, 03:40 AM
ctuna ctuna is offline
Officially Welcomed to the 'Fest
Location: usa
 
Join Date: Jan 2010
Posts: 2,342
Mein Auto: 325xi wagon
Thanks for refinning the math(or doing it)

It sounds like this might be worth a shot in the southern latitudes of the US if you leave your car outside while at work.
The panel would have to put out more than 12.5 Volts to be effective . I wonder if it comes with a regulator?

http://www.amazon.com/BMW-Solar-Batt.../dp/B004QDAPOI

http://compare.ebay.com/like/2206313...=sbar&_lwgsi=y

The panel on this one looks like it would closer to the right size but its pricey.

Or buy a house.

Last edited by ctuna; 12-03-2011 at 04:11 AM.
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