Take your Inline-6 BMW to The Next Level With this all in one Tuning Solution!
Take your Inline-6 BMW to The Next Level With this all in one Tuning Solution!
The latest and greatest Wireless connection method for your BMW F and G series vehicles and the 2020+ Toyota Supra
Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
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.
Upgrade From Your Outdated Batch-Fire Injector Controller!
Remove the dead area from your throttle pedal.
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.
This product was last offered at the strikethrough price on
05-12-2026
Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
07-31-2026
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For Electronic waste gate!
*For Electronic waste-gate*
Max gains of up to +47 HP and +55 lb-ft TRQ (Crank); +42 HP and +51 lb-ft TRQ (Wheel) on base models.
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
07-31-2026
Remove the dead area from your throttle pedal.
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For Mid-2012 to 2013 vehicles.
For limited use in California, please see full description. CARB certified for sale in all 50 states
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Version 1.
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2011 model year vehicles.
For Vehicles with Type A Harness & Pneumatic Wastegate only; Not for sale or use in the state of California.
For Vehicles with Type A Harness & Pneumatic Wastegate only
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles.
Not for sale or use in the state of California.
For Vehicles with Type B Harness & Pneumatic Wastegate only