Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
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.
Unlock additional power and performance with the JB4 tuner
Remove the dead area from your throttle pedal.
The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
Take your Inline-4 BMW to The Next Level With this all in one Tuning Solution!
Quick and reliable power from a name you know and trust!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary 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
07-15-2026
Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Version 1.
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip
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 / +40 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
For later models with the Gen2 B46 engine (B46D / B46TU)
Next-Gen Power Delivery with OEM-Level Integration - up to +60 HP / +65 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
For early models with the Gen1 B46 engine (B46A)
Unlocks your factory DME to allow tuning
For vehicles with a production date before 06/2020