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siegester · 10-25-2011, 06:08 PM

I did this mod on my n54 and noticed an immediate ~1-2mpg average drop per tank since. Keep in mind that this is only an observation as there are no hard fact due to too many other variables at play.

10-25-2011, 06:08 PM	#206
siegester Captain 345 Rep 751 Posts Drives: '20 M340i Join Date: Jan 2011 Location: USA iTrader: (0) Garage List 2020 BMW M340i [0.00]	I did this mod on my n54 and noticed an immediate ~1-2mpg average drop per tank since. Keep in mind that this is only an observation as there are no hard fact due to too many other variables at play.
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