Thread: 2020 X3M - Bootmod3 S58 OTS Stage 1 +100whp 551WHP 93, 600WHP on E30!
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      01-01-2020, 04:58 PM   #61
chewbakam4
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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.
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