BMW 3-Series (E90 E92) Forum - View Single Post - Sudden drop in fuel economy

Digitalize · 10-25-2016, 05:34 PM

Colder air is denser, so cars become a bit more powerful/thirsty in the winter, probably not a noticeable change though. It would have to be sub zero for it to really effect the engine in a meaningful way.

10-25-2016, 05:34 PM	#3
Digitalize Photographer 412 Rep 2,643 Posts Drives: 320D Join Date: Jun 2013 Location: UK iTrader: (0)	Colder air is denser, so cars become a bit more powerful/thirsty in the winter, probably not a noticeable change though. It would have to be sub zero for it to really effect the engine in a meaningful way.
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