E46Fanatics - View Single Post - Alternator air duct importance?
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Old 10-04-2012, 01:09 PM   #13
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Join Date: Aug 2012
Location: Napa, California
Posts: 379
My Ride: 01 BMW 325ci 3.0L
It's important mine died cause it was missing. And plus why do you think there are water cooled alternators? High demand means high temps, high temps mean shortened life span, so keep it cool and lengthen life span.

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