Quote:
Originally Posted by JoeyF228
Recently purchased a CPO 228i M Sport, auto trans and want to do a few upgrades of course. JB4 has a great reputation and power numbers look good. I'm curious if anybody is using the tuner from Turner Motorsports?
https://www.turnermotorsport.com/p-3...dule/?pdk=BQYD
I don't think i would be using a lot of different maps but i do like that the JB4 has boost by gear and ethanol capability, cheaper price doesn't hurt either but tuning is something i don't mind paying a little extra for if its worth it. I would rather have safety and great drive-ability than trying to max it out for the most hp. I'll send an email to Turner and see if i can get a little more detailed info on it.
I will be getting a downpipe eventually and maybe a few other bolt ons like a chargepipe and maybe GFB DV+ diverter valve upgrade.
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JB4 is a complete stage 2 with more features, more power, more flexibility, more support and free firmware upgrade for life. It also costs less
Jb4 for sure