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      05-17-2018, 03:24 PM   #1
Seaz
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Drives: (2018,x3,m40) 2016,x3 2009,335
Join Date: Apr 2012
Location: Montreal, Quebec

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Math wiz help. Horsepower estimate based on speed

So my goal is to figure out my approximate horse power without spending money on a dyno

With mods I've been running the 1/4 mile in 12.5
A stock m40 is suppose to do 13.2

So could we figure out the increase in horsepower to drop 0.7sec?
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2018 X3 M40i - JB4
2016 X3 35i - JB stage 1
2009 335 e92 - JB4
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