N63/N63R/N63TU JB4 Tuner

Power gains of up to 100hp and 140tq to the wheels on a stock vehicle

The JB4 Tuner includes CANbus, full data logging, multiple performance maps, user-adjustable fuel control, boost by gear settings, WMI support, JB4 Mobile wireless compatibility, and much more. Compatible both as stand-alone tuning systems or in conjunction with performance flash maps where logging, safety, and fine-tuning tools are desirable.

No ECU flash needed and compatible with locked ECUs

N63TU/N63R now include our all new JB4PRO board and all-weather enclosure featuring built in Bluetooth, built in ethanol sensor processing, built in CPI/WMI control, onboard data-logging memory, MAF and BCM connections for the N63TU, and many additional features to be unlocked in the future via free firmware updates! Whether your car is fully factory or heavily modified with a custom flash, the JB4PRO is the ultimate tuning tool for those looking to safely push their cars to the max!

Wirelessly Connect to your JB4:Our all-newJB4PROsmartphone connection is included to wirelessly connect the JB4 tuner to your Bluetooth 4.0 compatible iOS or Android device. This option allows you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. Our new adapter fits fully inside the JB4 enclosure for enhanced weather protection and a more streamlined look. The JB4PRO Free app features an intuitive easy-to-use interface, help buttons, and advanced log analysis tools that can estimate the performance of your car and help identify any tuning concerns.

For more information about theJB4PRO mobile appclick here.

N63 JB4 Features & Benefits

Power gains of up to 100hp and 140tq to the wheels on a stock vehicle.
Improves 0-60 and quarter mile times.
Includes multipl