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03-13-2019, 08:28 PM
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#9
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Private First Class 
Drives: 2019 M550
Join Date: May 2015
Location: Illinois
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Quote:
Originally Posted by tjohnson
I looked and researched the RaceChip unit. Their website shows +85hp gain from BMW's claimed stock number, which we already know is way too low.
Another person that had the unit claimed he finally got a tech at RaceChip to tell him exactly what they were doing, and he was told "adding 2.9psi to the boost". That's it.
Does anyone have REAL dyno numbers (with RaceChip turned off, and then on)??
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+1
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