Thread: 2020 X3M - Bootmod3 S58 OTS Stage 1 +100whp 551WHP 93, 600WHP on E30!
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      01-01-2020, 06:11 PM   #64
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Originally Posted by chewbakam4 View Post
Amazing numbers! Flash tuning is where its at and none do it better than the bootmod3 folks IMHO. Piggybacks can never have the smoothness of a proper flash tune.
What other tunes have you tried?
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