Thread: Tips to achieve 8 or less mpg in the M
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      08-24-2012, 07:56 PM   #7
Porschefile
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Drives: E92 M3
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Quote:
Originally Posted by radiantm3 View Post
Just go to the track. I'll use over a 1/4 tank of gas in one 25-minute session sometimes.
This is my preferred method
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