I ordered a jb4 from bms about 2 weeks ago and installed it about 1 week ago Now i depleted a quarter of. I've been enjoying map 2 (on 93oct w/ ecs fmic) until today
BMS / Burger Motorsports JB4 (再レビュー2回目)のパーツレビュー | WRX S4(モンちゃんコンちゃん) | みんカラ
No issues, instant switch between maps, logs on demand with throttle position, boost reduction by speed/gear for dialing in launches and beta firmware for wmi and increased boost threshold is.
A group for members to share data logs, custom maps, fitting instructions, trouble shooting, sales of used jb4 and general jb4 discussion.
It's a piggyback tune just like jb4, and just like jb4, it's easily removable and doesn't trigger any counters in the embedded software of the car I've never had an issue with service because i always take it off. Once when getting my car back from my mechanic he had left the obd jb4 plug unplugged and i could feel the strange shift behaviour described I plug it back immediately and.
The jb4 is extremely impressive as far as driveability The adjustability of signal manipulation onset, can and multisensor integration really makes this drive and shift like stock as far. But i threw my jb4 from my 2019 s4 onto my 2021 s5 and george said it was fine to throw on I have about 1000 miles on my s5 now and it just isnt feeling as fast as the s4 did.
How are you guys keeping track of your fuel quality
Been running jb4 for almost a month or so on 91 (california) and was hoping to blend some e85 for map 4 as recommended by. You’ll start to look at this when making custom maps as the key is keeping the dme happy Is the opening of the waste gate. No tune is completely undetectable, but the jb4 is harder to detect
Downside is you're not gonna get as much performance That said, for jb4, for 93 octane you can run map 3 map. Jb4 log review (update) hello everyone, i just wanted to upload my log My car is an 07
Bone stock with just a jb4 on map 1
At first when i tried map 1, i got the typical misfire code The time now is 06:31 pm. Anyone running jb4 in their s4 How do you like it
Mine was installed a few days ago and have been driving on 4psi over stock boost and it feels good
