Channel: JB4 Mobile 12-10-2025, 11:36 AM First pull with JB4 by Jtinajero13 Hi, I have a gen 1 b58, with Dahler ATTC, catback exhaust, intake and running stage 2 xHP. This is a map 1 pull …

Mods: JB4, EWG connectors, Fuel connectors, WMI, BMS pedal tuner, Mishimoto intercooler, HKS M45iL plugs gapped to .022, AEM intakes, Velossa Tech snorkels, Ark mids, MBRP ss …

May 18, 2024 · I have a G80 MT with a mid pipe and intake. I just got the JB4 and run only 93 octane. Since I have a MT I am looking to make power similar to a M3 Competition with a JB4. …

Jul 25, 2023 · The JB4 uses MAP-3 as the "Progressive WMI" Setup MAP, not MAP-4, just so you are aware. Yes, you can Run the MHD Stage-xx Map of your choice with the JB4 as a "Piggy …

May 20, 2018 · Cars running a WMI kit may benefit with the JB4 being able to more effectively add boost. While those with certain exhaust modifications may benefit from having the JB4 …

This is my first time doing a pull with the jb4 i put it on 93 octane. I fill up with Sunoco 93 octane fuel, and the temp here is about 37 degrees. Would like to get the most out of the tune running …

Mar 27, 2023 · Just switched platforms from a Kia Stinger that was making 500whp+, installed Jb4 today and wanting to educate myself as much as possible.

Nov 27, 2020 · If you want power adders, do it in a way that doesn't involve a boost chip. Those things on race mode can run 26-28 psi on the stock turbo which will fry it. I have seen a few …

Mar 30, 2024 · I know JB4 does not do TCU fix, but it does have the auto shift boost redux setting. I know this is something different, but it got me wondering if this might need some adjusting …

I have a 22 Sonata N Line and just installed the jb4 over the weekend. Been running map2 with no problems ( was told my log looked great) So I was wondering if map3 is safe with 93 octane.