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Burger Tuning JB4 for BMW GEN1 & GEN2 B58

$529.00
Weight:
3.00 LBS
Shipping:
Calculated at Checkout
Burger Tuning JB4 for BMW GEN1 & GEN2 B58

Description

The Burger Tuning JB4 is the most advanced plug & play tuning solution for BMW GEN1 & GEN2 B58 engines, offering up to 120WHP and 120WTQ on a stock vehicle with no need for ECU flashing. Designed to deliver superior power gains while maintaining drivability and reliability, the JB4 enhances performance, throttle response, and boost control with customizable maps and cutting-edge tuning technology.

Unlike conventional piggyback tuners, the JB4 integrates with the vehicle’s CANbus system, unlocking unparalleled tuning features. Enjoy on-the-fly map switching, boost by gear adjustments, data logging, and optional ethanol (E85) tuning compatibility. Whether you're running stock or have bolt-on modifications, the JB4 adapts to your setup for maximum gains.

Key Features & Benefits:

  • Up to 120HP & 120TQ Gains – Significant power increases on a stock B58 engine.

  • Customizable Tuning Maps – Choose from multiple preloaded maps optimized for different fuels and modifications.

  • Boost by Gear Control – Improve traction in lower gears for a smoother power delivery.

  • On-the-Fly Map Switching – Seamlessly switch between performance modes via steering wheel controls or the JB4 Mobile app.

  • Ethanol (E85) & High-Octane Compatibility – Run higher ethanol blends for even greater performance gains.

  • Integrated CANbus Technology – Unlock advanced tuning features such as real-time data logging and boost control.

  • Exhaust Flapper & Direct EWG Control – Prevent throttle closures and customize exhaust sound.

  • Plug & Play Installation – Easily install and remove without permanent modifications.

  • Compatible with JB4 Mobile – Wirelessly monitor, log, and adjust settings via iOS/Android devices.

  • No VIN Lock – Transfer the JB4 between vehicles or resell when upgrading.

  • Designed & Assembled in the USA – Engineered for high performance and reliability.

JB4 Map Guide:

  • Map 0: Stock tuning (disables JB4).

  • Map 1: +3 PSI over stock (91 octane).

  • Map 2: +4 PSI over stock (91-93 octane).

  • Map 3: +6 PSI over stock (93+ octane).

  • Map 4: Absolute target map (20 PSI peak, 93+ octane, E85 blend).

  • Map 5: Absolute target map (22 PSI peak, 30% E85+ blend).

  • Map 6: Custom tuning map.

  • Map 7: Progressive water/methanol injection map.

  • Map 8: Valet / low boost map.

Note: 2018+ G-series BMWs with a digital dash require a JB4 Mobile Adapter or BMS Data Cable for map switching until a firmware update is released.

Fitment – BMW GEN1 & GEN2 B58 Models

BMW 1 Series:

  • 2016-2019 F20 F21 BMW M140i

BMW 2 Series:

  • 2016-2021 F22 F23 BMW M240i (including xDrive)

  • 2022+ G42 BMW M240i (including xDrive)

BMW 3 Series:

  • 2016-2018 F30 BMW 340i (including xDrive)

  • 2020-2024 G20 G21 BMW M340i (including xDrive)

BMW 4 Series:

  • 2016-2020 F32 F33 F36 BMW 440i (including Gran Coupe & xDrive)

  • 2021-2024 G22 G23 G26 BMW M440i (including Gran Coupe & xDrive)

BMW 5 Series:

  • 2017-2023 G30 G31 BMW 540i (including xDrive)

BMW 6 Series:

  • 2018-2023 G32 G33 BMW 640i (including xDrive)

BMW 7 Series:

  • 2016-2022 G11 G12 BMW 740i (including xDrive)

BMW 8 Series:

  • 2018+ G15 G14 G16 BMW 840i (including Gran Coupe & xDrive)

BMW X Series:

  • 2018-2024 G01 BMW X3 M40i

  • 2019-2024 G02 BMW X4 M40i

  • 2019-2022 G05 BMW X5 40i (including xDrive)

  • 2020-2023 G06 BMW X6 40i (including xDrive)

  • 2019-2022 G07 BMW X7 40i (including xDrive)

BMW Z Series:

  • 2019+ G29 BMW Z4 M40i

Note: This B58 JB4 model is CARB-approved under Executive Order (EO) No. D-744-4 for 2016-2018 BMW 230i, 330i, 430i, 530i, 340i, 440i, 740i, M240i, and X1 models.

Why Choose the JB4?

The JB4 is the industry-leading tuning system for turbocharged BMW B58 engines, offering a significant power boost with advanced control features. Unlike traditional piggyback tuners, the JB4 uses a more sophisticated CANbus integration, allowing real-time data adjustments and superior performance monitoring. It delivers smooth, reliable power increases without requiring permanent ECU modifications, making it the ideal performance solution for both stock and modified vehicles.

Upgrade your BMW’s performance with the Burger Tuning JB4 and experience the ultimate driving thrill!