A piggy back tuner that allows you to adjust throttle response for peak performance.
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.
Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control.
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Proprietary tune box designed specifically for the R55/R56/R57/R58/R59 S, GP, & JCW up to 18-22 HP / + 28-32 TQ
Get up to +28 hp and +47 lb-ft through a safe and easy to use tuning module from Racechip
Plug-and-play performance solution - Enjoy additional HP and Torque without voiding warranty!