Quote:
Originally Posted by AP
This is presumably because diesel is more efficient and is not wasting energy as heat (which would otherwise in part be used for heating up the car ).
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Yes that is correct, we need auxiliary heating to get a warm cabin from cold.
My E91 330d had the electric element and that would give out warm air in about 1/2 a mile, even at sub zero temperatures. F10/11 diesel models definitely have the PTC element. Not sure exactly what power output, but previous models were around 1kW.
HighlandPete