Quote:
Originally Posted by e30cabrio
My alternator died and I went to the dealer for hoses. I asked to see the guy that invented the water cooled alternator, he was not there.
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Ah, there's your problem. You went to the dealer. You needed to go to Bosch, in Germany. 
I haven't actually worked on a water cooled alternator on any of my BMWs, since I like the 6 cylinder engines and they don't use the water cooled alternator. But I have seen them on emergency vehicles, ambulances and fire trucks (which have high alternator current loads due to all the ancillary equipment). I hadn't realized that the Bosch one was initially targetted at emergency vehicles. Anyway, here is a brochure on it. Some interesting info.
http://www.bosch.com.au/car_parts/en..._Alt_Broch.pdf
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