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      11-29-2020, 09:53 AM   #17
hristo.p
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Drives: 2015 335i Xdrive MSport
Join Date: Oct 2020
Location: Chicago

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Quote:
Originally Posted by juliomadara7 View Post
What made you go w BM3?
I used the forum to read about it. I was in between JB4 and BM3, IMO BM3 is easier to instal since it is not a piggy back but just a flash. It literally took me 20 mins to figure out how to flash and do it. Happy with the performance, the burbles and the open exhaust valve. JB4 may be a good option if you'd like to wire stuff and if you have more experience. I am a beginner in terms of mods so that's why I chose BM3. There are so many threads in the forum, spend some time to look at them before you decide for yourself.

Good luck and keep us posted!
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