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      06-26-2012, 05:16 PM   #29
chickdr
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Drives: 2006 M Roadster
Join Date: May 2009
Location: Buford, GA

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Quote:
Originally Posted by johanness View Post
My understanding is they vent less gas than flooded lead-acid batteries which is an advantage in our cars confined space (like a gel-cell battery). Could be wrong...
Maybe in the coupe it is more significant since you are in the same space as the battery vs the trunk location in the roadster? Don't know one way or another...
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