E46Fanatics - View Single Post - Check your thermostat/engine temp

WDE46 · 01-09-2013, 07:34 AM

I noticed maybe a slight increase in MPG when I replaced my thermostat but not much. I replaced my thermostat and then spark plugs 300 miles later and I get just over 30 mpg at 70 mph in an empty car.

01-09-2013, 07:34 AM	#28
WDE46 Weagle Weagle Join Date: Sep 2012 Location: Huntsville, AL Posts: 3,628 My Ride: 2004 330Ci OBM View My Garage	I noticed maybe a slight increase in MPG when I replaced my thermostat but not much. I replaced my thermostat and then spark plugs 300 miles later and I get just over 30 mpg at 70 mph in an empty car.