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      08-24-2008, 09:41 PM   #29
crzy4135i
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Drives: 08 135i
Join Date: Nov 2007
Location: US

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Quote:
Originally Posted by mega View Post
if seen the tech docs but nothing to confirm the us 1's have regen braking, or any adds stating it
How many cars do you see with the big control box and a bunch of extra wires on the battery?

Banner batteries makes an AGM battery that has the green sight glass that I thought only came on standard batteries.

http://www.bannerbatterien.com/banne...atterienGB.pdf

Here's the info saying Banner supplies batteries to BMW, although I don't see a white battery on their website.

http://www.bannerbatterien.com/banne...GB29052007.pdf
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