The latest and greatest Wireless connection method for your BMW F and G series vehicles and the 2020+ Toyota Supra
The latest and greatest Wireless connection method for your BMW F and G series vehicles and the 2020+ Toyota Supra
Unlock additional power and performance with the JB4 tuner
The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
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.
Quick and simple add-on for increased power!
Plug & play power — gain up to 130WHP on a stock vehicle without the risks of flashing!
For models with the Gen3 engines only (B48N/B48P/B48TU2 & B58N/B58TU2)
Quick and reliable power from a name you know and trust!
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-25-2026
Unlock additional power and performance with the JB4 tuner
Version 1.
Max gains of up to +26 HP and +36 lb-ft TRQ (Crank); +23 HP and +33 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-25-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
A piggy back tuner that allows you to adjust throttle response for peak performance.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
Next-Gen Power Delivery with OEM-Level Integration - up to + 35 HP / + 45 TQ
For early models with the Gen2 B46 engine (B46D / B46TU)
Next-Gen Power Delivery with OEM-Level Integration - up to +45 HP / +40 TQ
For late models with the Gen3 B48 engine (B48P / B48TU2)
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-25-2026