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      10-04-2012, 01:47 PM   #22
Drives: X1, 335i
Join Date: Sep 2006
Location: SF Bay, CA

Posts: 17,616
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Meth injection has a big effect on oil temps. Being able to run more ignition advance (afforded by the octane enhancing properties of meth) will let the engine operate with greater efficiency which means less of the combustion energy wasted in the form of heat (into exhaust and cooling system).

Some of our customers have reported a 30-50 deg reducing in oil temps during track days. But this was already with a factory oil cooler.
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