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Gen13 F36 · 08-17-2018, 06:36 PM

Its easy to get 38 mpg....just cruise at 65 to 70 mph on a long drive like going SF or las vegas....lol.

I actually did 41 mpg on my 428i gc with dinan sport tuner going to las vegas.

08-17-2018, 06:36 PM	#43
Gen13 F36 Brigadier General 1599 Rep 3,748 Posts Drives: 428i Gran Coupe Join Date: Nov 2017 Location: Los Angeles, CA iTrader: (1)	Its easy to get 38 mpg....just cruise at 65 to 70 mph on a long drive like going SF or las vegas....lol. I actually did 41 mpg on my 428i gc with dinan sport tuner going to las vegas.
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