Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58!
Not for sale or use in the state of California.
Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Plug-&-Play piggyback tuner offering a wide range of adjustments - Easily adjusted via Dinan's Bluetooth app - Includes upgraded 4-Year/50,000 Mile Factory-Matching New Car Warranty!
Call In Or Chat For Best Price! For vehicles with the Gen3 B58 (B58N / B58TU2) engine only
Brand:
ES#:
5425665
Mfg#:
D440-0201-W
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2362.99
This product was last offered at the strikethrough price on 08-22-2026
Get up to +99 hp and +88 lb-ft through a safe and easy to use tuning module from Racechip - Includes App control for easy tune swtiching via your smartphone
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
