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Old 09-16-2018, 10:04 PM   #1671
equ
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Join Date: Aug 2005
Carmudgeonly Ride: 981S, 340i
Posts: 9,580
Let me get this, $10 of supercharging gets you 100miles, give or take? So it's about equivalent to 30 - 33mpg depending on prevailing gas prices? I thought it was much cheaper than that.
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