F90 M5 JB4 BMW Performance Tuner

Product Details

Unleash the true potential of your BMW with the legendary Burger Motorsports JB4 module. Elevate your driving experience with power gains of up to 80hp and 100tq to the wheels on a stock vehicle. This plug-and-play installation offers seamless integration, bringing your F90 M5 to life and delivering performance that pushes quarter-mile potential deep into the 10s. The JB4 ensures advanced tuning, safety features, and diagnostics via full CANbus integration, surpassing other generic tuning devices. Experience superior boost targeting with electronic wastegate control, setting the JB4 apart as the ultimate tuning box for your //M.

JB4 Features & Benefits

• Power gains of up to 80hp and 100tq to the wheels on a stock vehicle
• Improves 0-60 and quarter mile times.
• Includes multiple tuning maps for different fuel types.
• Quick plug and play installation.
• Supports E85 ethanol blends.
• Reads and deletes fault codes.
• Displays and logs up to 40 engine parameters.
• Boost by gear control for improved traction.
• Controls exhaust flap operation on supported vehicles.
• Compatible with the free JB4PRO app.
• Offers better performance and safety than basic chip tunes.
• Full CANbus integration.
• Runs as smoothly as stock.
• Compatible with all driving modes.
• No impact on fuel economy during normal driving.
• Requires 91 octane or better for performance gains.
• Not VIN locked and fully removable.
• Includes billet aluminum enclosure.
• Designed and assembled in the USA.
• 5-year warranty

Wirelessly Connect to your JB4: Our all-new JB4 PRO smartphone 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. 

Note: Intended for off-road racing use only. Not for sale or use in California. Emissions compliance waiver required for purchase.

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

Prop 65 Warning

Product Q&A

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