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£499.17 – £623.33 VAT will be applied at the time of checkout Select OptionsS55 JB4 Tuner for 2015-2020 BMW M3/M4/M2C
S55 JB4 Tuner for 2015-2020 BMW M3/M4/M2C
JB4 Features & Benefits
• Gains are up to 80hp and up to 135Nm on pump gas and even higher on higher octane or E85 mixtures.
• Improves 0-60 times and 1/4 mile times
• Preloaded with custom JB4 BMW tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• View and record up to 40 gauges/engine parameters in real-time with the JB4 app.
• Boost by gear in 1st, 2nd, and 3rd can be controlled via the JB4 app for a perfect launch
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
• Quick Plug & Play Installation
• CANbus OBDII integration offering unrivalled 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
• 91 octane fuel or better required for performance gains
• Not VIN locked and can be removed without a trace and resold down the road
• Includes the rugged JB4 billet aluminium enclosure for protection
• Made in the USA
• 5 year warrantyS55 JB4 Vehicle fitment
BMW M2
• 2018-2022 S55 BMW F87 M2 Competition (S55 engine only)BMW M3
• 2015-2020 S55 BMW F80 M3BMW M4
• 2015-2020 S55 BMW F82 F83 M4, M4 GTS, M4 CSWhat is a JB4?
The JB4 is a plug & play tune available for turbocharged vehicles. The JB4 tuner installs between your car’s sensors and its DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster. While it’s not the only tuning system that operates this way the JB4 separates itself from the competition with much more advanced connection points and processing including CANbus, fuel & spark control, Bluetooth to your smartphone, and a variety of innovative and advanced features not possible with any other system. BMS regularly publishes free mapping and firmware updates adding performance and features as ongoing development allows. In addition, the JB4 system is not VIN-locked to your vehicle and can quickly be removed and swapped between cars or resold at a later time. Often imitated but never duplicated the JB4 has been the gold standard in plug and play turbocharged performance tuning for over a decade.
£499.17 – £623.33 VAT will be applied at the time of checkout -
£665.83 – £790.00 VAT will be applied at the time of checkout Select OptionsS58 JB4 Tuner for 2020-Present BMW F97 X3M & F98 X4M
S58 JB4 Tuner for 2020-Present BMW F97 X3M & F98 X4M
Gains are up to 80hp and up to 135Nm on pump gas and even higher on higher octane or E85 mixtures.
The ultimate tune for your S58 powered vehicle, the JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, electronic wastegate control, smartphone integration, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is completely removable with no splicing or cutting of factory wires.
Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit, or to your Windows laptop with the BMS data cable. 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. A separate JB4 Mobile app purchase is also required.
£665.83 – £790.00 VAT will be applied at the time of checkout -
£665.83 – £790.00 VAT will be applied at the time of checkout Select OptionsS58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M21
S58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M21
Gains are up to 80hp and up to 135Nm on pump gas and even more on higher octane or E85 mixtures.
The ultimate tune for your S58 powered G87 M2, G80 M3, or G82 M4, the JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your S58 engine.
Wirelessly connect the S58 JB4 to your Bluetooth 4.0 compatible iOS and Android® device via the JB4 Mobile connect kit or to your Windows® laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update S58 JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.
£665.83 – £790.00 VAT will be applied at the time of checkout -
£749.17 – £873.33 VAT will be applied at the time of checkout Select OptionsS68 JB4 Tuner (BETA)
S68 JB4 Tuner (BETA)
Gains are up to 100hp on pump gas and up to 207hp on higher octane or E85 mixtures.
The ultimate tune for your 4.4L S68 powered BMW, the JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your S68 engine.
Wirelessly connect the S68 JB4 to your Bluetooth 4.0 compatible iOS and Android® device via the JB4 Mobile connect kit or to your Windows® laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update S68 JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.
£749.17 – £873.33 VAT will be applied at the time of checkout -
£582.50 – £706.67 VAT will be applied at the time of checkout Select OptionsJB4 for BMW B48/B58 GEN3 BETA
JB4 for BMW B48/B58 GEN3 BETA
Power gains of up to 130hp on a stock vehicle without the risks of flashing!
The JB4 is the most advanced and highly featured tuning system available for your B58 GEN3 powered vehicle. Power gains are up to 100whp to the wheels (125hp crank) on a completely stock car on 93 octane, and even higher with ethanol fuel mixed in!
This new JB4 BMW tuner is specifically designed for the latest B58 variant and is capable of processing the new ultra fast SENT digital sensor signals in real time with zero latency. The JB4 features a simple plug & play installation harness for easy installation & removal and includes many features not found with any other tune. Including on the fly in-app map switching between factory and various performance maps, boost limiting by gear for improved traction in lower gears, progressive water/methanol support, built-in data logging, built-in code reading, and much more. Other more expensive tuners may claim to equal the JB4’s technology but upon closer examination lack most if not all of the JB4’s features.
£582.50 – £706.67 VAT will be applied at the time of checkout -
£1,165.83 – £1,290.00 VAT will be applied at the time of checkout Select OptionsJB4 Tuner for 2016-2022 G12 N74 V12 BMW M760Li xDrive (BETA) + Wireless Bluetooth Connect Kit
JB4 Tuner for 2016-2022 G12 N74 V12 BMW M760Li xDrive (BETA) + Wireless Bluetooth Connect Kit
Gains are up to 104hp on pump gas and up to 198hp on higher octane or E85 mixtures.
The ultimate tune for your 2016-2022 G12 BMW M760Li xDrive V12. The JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your V12 engine.
Wirelessly connect the N74 V12 JB4 to your Bluetooth 4.0 compatible iOS and Android® device via the included JB4 Mobile connect kit. This allows you to record and analyze vehicle and tuning data, change JB4 performance maps, and update N72 V12 JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.
£1,165.83 – £1,290.00 VAT will be applied at the time of checkout -
£832.50 – £956.67 VAT will be applied at the time of checkout Select OptionsS68 JB4 Tuner for 2023+ BMW XM & 2024+ BMW X5M / X6M (BETA)
S68 JB4 Tuner for 2023+ BMW XM & 2024+ BMW X5M / X6M (BETA)
Gains are up to 125hp on pump gas and up to 260hp on higher octane or E85 mixtures.
The ultimate tune for your 4.4L S68 powered BMW XM, X5M, & X6M. The JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your S68 engine.
Wirelessly connect the S68 JB4 to your Bluetooth 4.0 compatible iOS and Android® device via the JB4 Mobile connect kit or to your Windows® laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update S68 XM JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.
£832.50 – £956.67 VAT will be applied at the time of checkout
