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      05-23-2013, 04:17 AM   #21
Madgambler
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Drives: Hartge, M Xorst, Quaife, B1
Join Date: Apr 2013
Location: Surrey, UK

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Whilst it is true that with my Hartge ECU mod my mpg has dropped by 1, the Air-to-Fuel results from my dyno sessions would also suggest that at higher revs the car is more efficient than it was before for a significant chunk of the meatier rev range.

And yes of course I am flooring the throttle when I can because fuel economy is not my primary concern.

If anything my car's range on a full tank is stretching a bit further still since I had the mod done. It now estimates 400 miles at 32.5 mpg with an average speed of about 43mph. Whereas it used to be no more than 350 about 1,000 miles ago.
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Madgambler
325i (E30) => Alpina B3.33 (E46) => Alpina B3s (E46) => 130i M Sport (E87) => Cayman S (987c) => Carrera S (997) => M135i (F21)
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