Originally posted by TosM3
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https://thebuildjournal.com/diy/turn...ll-diy-e46-m3/
Looks like buildjournal is showing a 54 whp gain and a 17 wtq gain. Cost out the door 2500 with everything they needed. Guess if you have the later model ecu you will save some cash.
Am i nuts to second guess that they are pulling 30 whp just from their tune? They are getting 35 with the eventuri. Seems kinda nuts for just a tune.
https://thebuildjournal.com/reviews/...-dyno-results/
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