BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - Wanting to Know What to Expect w/Tune + Delete

kdog_x · 06-25-2018, 05:09 PM

Got about 20k on the buzzken / JR stage3 now so I can comment. MIleage went up about 3-4 mpg on the highway, avg 42-43 now it was 39-40 before. Sport mode feels like the boat anchor it was hauling was removed, night and day difference.

06-25-2018, 05:09 PM	#7
kdog_x First Lieutenant 197 Rep 368 Posts Drives: 14 328d Join Date: Nov 2016 Location: Chicago iTrader: (0)	Got about 20k on the buzzken / JR stage3 now so I can comment. MIleage went up about 3-4 mpg on the highway, avg 42-43 now it was 39-40 before. Sport mode feels like the boat anchor it was hauling was removed, night and day difference.
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