08-07-2014, 08:53 AM
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#6 (permalink)
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Batman Junior
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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BMW was investigating transmission fluid heaters to aid fuel economy. I can't find the reference now of course, and I don't remember whether it was exhaust scavenging or electrical heating.
In short: the quicker you're at full operating temperature, the better.
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