BMS Group 1: JB4 for VW EA888 MQB Gen3 2.0T for 280hp, 293hp and 300hp | BMS-G12-N74V12-JB4-BT-1-1-1-1 - Function Factory Performance
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BMS Group 1: JB4 for VW EA888 MQB Gen3 2.0T for 280hp, 293hp and 300hp

JB4 Group 1 The JB4 is a true user adjustable plug and play solution for all MQB based models in the VW Audi Group range. Power Gains: […]

$479.00

Available

Categories: , SKU: BMS-G12-N74V12-JB4-BT-1-1-1-1
JB4 Group 1

The JB4 is a true user adjustable plug and play solution for all MQB based models in the VW Audi Group range. Power Gains: Starting at 45bhp and 45ft-lb with 91 octane/95Ron with + 4.50psi boost over stock on the default setting. Up to 100bhp and 70ft-lb with bolt-on modifications, higher octane, and boost adjustment with the optional BMS Data Cable.

The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more.

The unit can be used with our JB4 Bluetooth Connect kit providing for full in-car engine parameter display, map switching, and adjustment The JB4 can also be stacked over a flash tuning allowing for fine-tuning as well as meth control with safety measures in place and full logging.

Resources: General user discussion forum with a detailed description of the JB4:JB4 TUNE Tuner TUNING software for S68 JB4 Tuner for 2025+ G90 G99 BMW M5

Wirelessly Connect to your JB4: Grab one of our smartphone connection options to wirelessly connect the JB4 BMW tuner to your Bluetooth 4.0 compatible iOS or Android device. Both options allow 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.

JB4 Mobile by DMAC was released in 2014 and has become the gold standard for phone-to-tuner integration with its unique gauge display options/themes and advanced security systems. The JB4 Mobile app is purchased separately for $29 and requires the JB4 Mobile adapter.

JB4PRO by Burger Motorsports is our brand-new in-house adapter designed from the ground up for ease of use and reliability. 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. More information on the differences between the app options.

JB4 Features & Benefits

• Improves 0-60 times and 1/4 mile times

• Preloaded with custom tuning software and up to 8 maps for various fuel and modification levels

• The JB4 offers a lot more performance, functionality, and safety than your average performance chip

• Quick Plug & Play Installation

• CANbus OBDII integration offering unrivaled tuning features and performance

• Improved performance over non-integrated chip tunes

• Runs as smoothly as stock. This is how your vehicle should have come from the factory

• Compatible with all driving modes

• Fuel economy unchanged during normal driving

• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment

• 91 octane fuel or better required for performance gains

• Ethanol (E85) compatible tuning maps

• Able to read/delete fault codes

• Not VIN locked and can be removed without a trace and resold down the road

• Designed and assembled in the USA

• 5-year warranty

For any VW/Audi sales, support, and technical questions please contact George at  George is the only BMS representative familiar with the VW/Audi platform.INSTALL GUIDE

JB4 DYNO RESULTS

Audi JB4 Mobile demo video

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