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akak1997 · 12-15-2008, 12:16 PM

I think JB3 should improve mpg since it has a better (imho) throttle algorithm. I got less mpg just coz I changed my driving behavior. Before JB3, I shift at or before 4000rpm, after JB3, I shift around 6000rpm :headbang:

12-15-2008, 12:16 PM	#15
akak1997 Major 62 Rep 1,159 Posts Drives: BMW 135 @ 135mph Join Date: Aug 2008 Location: Los Angeles iTrader: (2) Garage List 2008 135i [0.00]	I think JB3 should improve mpg since it has a better (imho) throttle algorithm. I got less mpg just coz I changed my driving behavior. Before JB3, I shift at or before 4000rpm, after JB3, I shift around 6000rpm :headbang:
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