Are you looking to extract exhilarating performance from your 2024 Bmw 340i without compromising its завод-like reliability? The JB4 tuner emerges as the premier plug-and-play solution, delivering substantial power gains and a suite of advanced features, transforming your driving experience. Imagine unlocking up to 120 horsepower and 120 lb-ft of torque at the wheels on your stock 2024 BMW 340i, all without the need for ECU flashing or complex modifications.
The JB4, engineered specifically for BMW’s B58 engine, stands as the most sophisticated and feature-rich tuning system available. For owners of the 2024 BMW 340i, this means tapping into a reserve of power that elevates your vehicle’s performance to new heights. Whether you’re aiming for quicker acceleration, enhanced throttle response, or simply a more engaging drive, the JB4 delivers. And it achieves this on readily available pump gas, making it a practical upgrade for daily driving and spirited runs alike. For those seeking even greater performance from their 2024 BMW 340i, the JB4 seamlessly supports bolt-on modifications, higher octane fuels, E85 mixtures, and even larger turbo upgrades, scaling with your performance ambitions.
JB4 Mobile App Interface
Installation is a breeze with the JB4’s plug & play harness, ensuring a straightforward process that you can easily reverse. But the JB4 is more than just a power booster; it’s a comprehensive engine management system. 2024 BMW 340i drivers will appreciate the on-the-fly map switching directly from the dash, allowing you to choose between factory settings and multiple performance maps without physically interacting with the tuner. Optional in-dash gauges display critical parameters like boost pressure, while gear-based boost limiting optimizes traction in lower gears, a significant benefit for the 2024 BMW 340i‘s rear-wheel-drive or xDrive configurations.
Further enhancing its capabilities, the JB4 offers progressive water/methanol injection support, built-in data logging for performance analysis, and integrated code reading to keep your 2024 BMW 340i running smoothly. Optional direct Electronic Wastegate (EWG) control prevents unwanted throttle closure, particularly beneficial with aftermarket exhaust systems. Exhaust flap control adds another layer of customization to your driving experience. While other tuning options may attempt to match the JB4’s technology, they often fall short on features and overall refinement.
With the JB4 for your 2024 BMW 340i, there’s no need for prior modifications or staged upgrades. Install the JB4 as your first and only enhancement and immediately experience a dramatically faster and more responsive vehicle. The JB4 is designed for ease of use, requiring no complex user setup. However, for enthusiasts who enjoy data analysis and staying at the forefront of performance enhancements, the BMS DATA cable or REV3 mobile phone adapter provides access to logging, firmware updates, and new feature additions as they become available.
JB4 Map Guide for Your 2024 BMW 340i
Understanding the JB4 map options is key to tailoring the performance of your 2024 BMW 340i to your specific needs and fuel quality:
Map0: Returns your 2024 BMW 340i to stock tuning, completely disabling the JB4.
Map1: Adds 3psi over stock boost, optimized for 91 octane fuel – a great starting point for increased daily driving performance in your 2024 BMW 340i.
Map2: Increases boost by 4psi over stock, recommended for 91-93 octane fuel, offering a noticeable step up in power for your 2024 BMW 340i.
Map3: Delivers 6psi over stock boost, designed for 93+ octane fuel to maximize gains on higher quality fuel in your 2024 BMW 340i.
Map4: An absolute target map with a peak boost target of 20psi, requiring 93+ octane and/or 30% E85 fuel. An EWG connector is recommended for optimal performance at this level in your 2024 BMW 340i.
Map5: An even more aggressive absolute target map with a peak boost target of 22psi, requiring 30% E85+ fuel and EWG connector suggested for your 2024 BMW 340i.
Map6: A custom tuning map, allowing for personalized adjustments – consult JB4tech.com’s B58 JB4 page for detailed guidance to create a bespoke tune for your 2024 BMW 340i.
Map7: A progressive Water-Methanol Injection (WMI) map, where tuning is dynamically adjusted based on methanol flow and user-defined boost additive, ideal for advanced users of the 2024 BMW 340i seeking maximum cooling and power.
Map8: VALET / Low Boost Map, restricting performance for situations like valet parking or handing your 2024 BMW 340i to others.
For 2024 BMW 340i models with the digital dash, in-dash control via JB4 commands is expected via a future free firmware update. Currently, map and setting changes are easily managed using the JB4 mobile adapter or BMS data cable.
This JB4 model is compatible with both GEN1 and GEN2 B58 engines, ensuring fitment for your 2024 BMW 340i (G20 generation, GEN2 B58). For the latest B58TU2 GEN3 motor, please refer to the specific product page designed for those engines.
JB4 Power Gains, Features, & Benefits for Your 2024 BMW 340i
- Significant Power Gains: Experience up to 120whp increase on your stock 2024 BMW 340i, transforming its acceleration and overall performance.
- Improved Acceleration: Noticeably reduces 0-60 mph and quarter-mile times, making your 2024 BMW 340i quicker off the line and in passing situations.
- Preloaded Performance Maps: Comes ready with custom JB4 BMW tuning software and up to 8 maps, tailored for various fuel grades and modification levels relevant to your 2024 BMW 340i.
- Ethanol (E85) Compatibility: Includes maps optimized for E85 blends, unlocking even greater power potential in your 2024 BMW 340i when using ethanol-enriched fuels.
- Fault Code Management: Allows you to read and delete diagnostic fault codes, helping you maintain your 2024 BMW 340i and troubleshoot any issues.
- Real-time Data Monitoring: View and record over 40 different engine parameters in real-time via the JB4 app, providing valuable insights into your 2024 BMW 340i‘s performance and engine health.
- Boost-by-Gear Control: Manage boost levels in 1st, 2nd, and 3rd gear through the JB4 app, optimizing launch control and traction for your 2024 BMW 340i.
- Exhaust Flap Control: In most applications, control your 2024 BMW 340i‘s exhaust flap operation for customized sound profiles.
- JB4 Mobile Compatibility: Fully compatible with JB4 Mobile for convenient smartphone-based logging, tuning adjustments, and updates for your 2024 BMW 340i.
- Superior Performance and Safety: Offers significantly more performance, functionality, and safety features compared to basic performance chips, ensuring a refined and reliable tuning experience for your 2024 BMW 340i.
- Fast Plug & Play Installation: Installs quickly and easily, minimizing downtime and getting you back on the road in your enhanced 2024 BMW 340i.
- Advanced CANbus OBDII Integration: CANbus OBDII integration provides unmatched tuning capabilities and performance, far beyond non-integrated chip tunes for your 2024 BMW 340i.
- Smooth and Refined Performance: Maintains factory-like smoothness, delivering the performance your 2024 BMW 340i should have had from the start.
- Driving Mode Compatibility: Works seamlessly with all of your 2024 BMW 340i‘s factory driving modes.
- Fuel Economy Maintained: Fuel economy remains unchanged under normal driving conditions, offering performance without everyday compromise in your 2024 BMW 340i.
- Octane Requirement: 91 octane fuel or higher is required to realize performance gains in your 2024 BMW 340i.
- Resale Value: Not VIN locked, removable without a trace, and resalable, protecting your investment in your 2024 BMW 340i.
- Robust Build Quality: Includes a durable JB4 billet aluminum enclosure for protection and longevity.
- Made in the USA: Designed and assembled in the USA, ensuring quality and supporting local manufacturing.
- Free USA Shipping: Free shipping within the USA adds further value.
- 5-Year Warranty: Backed by a 5-year warranty, providing peace of mind for your 2024 BMW 340i performance upgrade.
Vehicle Fitment for JB4 on BMW 3 Series (Including 2024 BMW 340i)
The JB4 is confirmed to fit the following BMW 3 Series models with GEN1 or GEN2 B58 engines:
BMW 3 Series
- 2020-2024 G20 G21 GEN2 B58 BMW M340i including xDrive (This explicitly confirms 2024 BMW 340i compatibility)
- 2016-2018 F30 GEN1 B58 BMW 340i including xDrive
Note: If you have a GEN1 OR GEN2 B58 engine in your BMW 3 Series and don’t see your exact model listed, please contact us to confirm fitment. For the newest B58TU2 GEN3 motor, please refer to the dedicated product page.
What Exactly is a JB4 Tuner?
The JB4 is a revolutionary plug & play performance tuner designed for turbocharged vehicles like your 2024 BMW 340i. Unlike ECU flashes that permanently alter your vehicle’s computer, the JB4 installs externally, intercepting and optimizing signals between your car’s sensors and the DME/ECU. This sophisticated approach allows the JB4 to enhance your 2024 BMW 340i‘s performance by intelligently manipulating engine parameters, resulting in significant power increases while maintaining завод safety margins.
What sets the JB4 apart is its advanced technology. It goes beyond simple boost controllers, incorporating CANbus integration, precise fuel and spark control, Bluetooth smartphone connectivity, and a host of innovative features unavailable in other systems. Burger Motorsports continuously releases free firmware and mapping updates, ensuring your 2024 BMW 340i‘s JB4 stays at the cutting edge of performance tuning. Moreover, the JB4 is not VIN-locked, offering flexibility – it can be easily removed, transferred to another compatible vehicle, or resold, retaining its value. The JB4 has established itself as the gold standard in plug-and-play turbo performance tuning for over a decade, consistently imitated but never truly duplicated.
JB4 FAQ
Dyno Proven Performance for BMW B58 Engines
Witness the real-world power gains achieved with JB4 on B58 engines, similar to the one in your 2024 BMW 340i:
2020 BMW B58 M340i JB4 + BMS B58 Competition Intake and E30 Fuel
BMW M340i dyno chart showing horsepower gains with JB4 and intake
This dyno chart illustrates the impressive horsepower and torque gains on a 2020 BMW M340i (similar engine to 2024 BMW 340i) when equipped with the JB4 tuner, BMS intake, and running E30 fuel.
2016 BMW 340xi B58, JB4, Stock, 93 Octane vs E30 Fuel
Dyno graph comparing stock 2016 BMW 340xi to JB4 tuned on 93 octane and E30
This dyno comparison showcases the power increase on a 2016 BMW 340xi (B58 engine) with just the JB4 tuner, demonstrating gains on both 93 octane pump gas and E30 fuel.
2020 B58 Powered BMW Z4 Dyno – 490whp with JB4 Map 5 and E40 mixture
BMW Z4 B58 Dyno Results with JB4 Map 5 and E40 fuel
This dyno run on a 2020 BMW Z4 with a B58 engine, JB4 Map 5, and E40 fuel mixture, highlights the high-performance potential of the JB4 system.
2020 BMW M340i JB4 Tuned – Performance and Style
BMW M340i 0-60 Performance with JB4 Tuner
BMW M340i Tuned with JB4 and Intake
BMW M340i vs M3 Performance Comparison
No M? No Problem! JB4 Tuned BMW 340i Outperforms G80 M3 in Some Tests.
Experience the transformative power of the JB4 tuner on your 2024 BMW 340i and unlock the true potential of your B58 engine. Order your JB4 today and embark on a new era of driving exhilaration!
CAN FLAP DEMO (Link to Demo Video – to be added)
