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      03-15-2012, 04:08 AM   #47
Feanor
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Drives: BMW F30 320d Luxury 6MT
Join Date: Feb 2012
Location: United Kingdom

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This is pure speculation, but I wonder whether they've put part of the heating system closer to where the fuel is burned in the engine.

Normally, the heating system is part of the engine cooling system, right? So the cabin doesn't start to heat up until the cooling system begins to pick up heat from the engine. I've often wondered why they don't gather the heat from closer to where the fuel is burned to help heat the cabin more quickly.
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