Ignitions and Electrical› Computers, Chips, Modules and Programmers
Burger
JB4 Performance Tuner
SKU: JB4 V3
Easy — 1–2 hours
Description
This tuner attaches to easy-to-access sensors in the engine bay and works with your factory ECU tuning. It includes several performance maps that can be changed via an optional JB4 Mobile adapter and smartphone app, with maps for different octanes, E85 mixtures, and a VALET/low boost mode. Installation is discrete and the unit can be quickly removed without a trace.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Burger |
| Part Number | JB4 V3 |
| Category | Ignitions and Electrical |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy