Quote:
Originally Posted by MetroMPG
BMW ... 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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Probs electrical unless they want to bake that fluid when driving their v6-8's. Also, can I bring up a point? How about heating the differential, suspension and tires? (from a durability point of view) On my vehicle I take it slow, but that's because I got a full 1-1/2 blocks between my home and the Blvd, so everything can warm up. ~30mph in 3rd going 2K rpm. And as the 2 full minutes are going the engine bay is heating up, drive train, myself.
Plus that piston to engine block clearance is getting closer to operating spec. So after all this discussion, we'll all do it F1 style and run 180*F water thru our engines to warm them up and allow them to go from seized in place due to tight tolerances to tight running engines. Capice?