Thread: Tune stacking
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Primefactor23 Primefactor23 is offline
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Posts: 51
Join Date: Oct 2020
Car: 2016 550i
Default Tune stacking - 01-14-2021, 10:50 PM

I really love the jb4 but want to change up the timing a little bit delete the top speed governor improve throttle response etc etc I can still run my jb4 with any flash tune correct Iím calling theses guys they telling me it wonít work with the jb4 but then bms is say they work with virtually any flash tune which is it
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