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Pricing
EUR 735
USD 847 · UAH 38,954
Power gains up to 100whp on pump gas This quick install plug and play tuner connects to two easy to reach plugs on top of the C43/GLC/C63S AMG 2.0L Turbo engine and safely increases turbocharger output by 3-6psi producing significant power and torque increases. Timing and fueling are appropriately rescaled for the increased boost and the installation is completely reversible in seconds.
The JB4 is the only tuning system that includes CANbus providing dramatically improved performance and smoothness over other 2-channel tuning systems. Wirelessly Connect to your JB4: Grab our all-new JB4 PRO smartphone connection to wirelessly connect the JB4 BMW 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.
