Quote:
Originally Posted by 46m3csl
I recently had been getting low warning signs for the battery and my original battery was the original Bmw battery in the white casing now I got one from bosch that is a Black one many of you call this a AGM, what is the difference between the two?
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http://lmgtfy.com/?q=agm+battery
Different chemistry, different characteristics, difference charging profile (needs a hard limit on max charge voltage)....