Installation of the JB4 Tuner for the 2020+ Supra MKV. This is the updated JB4 that has the EWG connector preinstalled. I heavily referenced another installation video. Link to JB4 and the other installation video below (to give credit where it's due).
JB4 Tuner
burgertuning.c...
Referenced Video
• How to Install JB4 Tun...
20 окт 2024