bootmod3 N13 ECU tuning is a performance calibration designed for BMW vehicles equipped with the turbocharged N13 four-cylinder engine. The software recalibrates the factory engine control unit through the vehicle’s OBD interface, optimizing boost pressure, ignition timing and fuel delivery to increase horsepower, torque and overall throttle response while maintaining smooth drivability.

The tuning package includes optimized off-the-shelf performance maps designed for different fuel grades and hardware configurations. These calibrations improve engine output and acceleration across the entire RPM range while maintaining factory safety systems and engine protections.

Stage-based calibrations provide noticeable gains in engine performance depending on fuel type and vehicle configuration. Stage 1 and Stage 2 maps are available, including aggressive exhaust burble variants, allowing drivers to select different performance profiles suited to their driving style and vehicle modifications.

Advanced tuning controls allow adjustment of various engine parameters including boost targets, throttle mapping, rev limiter configuration, speed limiter removal and exhaust burble settings. The system also supports custom performance calibrations for vehicles equipped with upgraded hardware such as larger intercoolers, intake systems, downpipes or turbocharger upgrades.

Integrated data logging and engine monitoring functions allow users to analyze numerous engine parameters during operation, helping optimize tuning setups and maintain safe engine performance.

Power gains of up to 100hp on a stock vehicle without the risks of flashing!

JB4 Features & Benefits

Vehicle Fitment

What 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.

bootmod3 B58 ECU tuning is a performance calibration designed for vehicles equipped with the turbocharged BMW-derived B58 engine used in the Toyota Supra A90 and A91. The software enables complete recalibration of the factory engine control unit (DME) through the vehicle’s OBD interface, allowing significant improvements in horsepower, torque and overall engine responsiveness.

The tuning package includes optimized performance maps developed for different fuel types and hardware configurations. These calibrations adjust boost pressure, ignition timing and fuel delivery to maximize engine efficiency and performance while maintaining smooth drivability across the entire RPM range.

Advanced tuning functions provide extensive control over engine behavior and performance parameters. These include adjustable exhaust burble settings, cold-start behavior, top speed limiter removal, throttle mapping adjustments, boost-by-gear control and configurable exhaust valve operation.

Additional features support flex-fuel operation when paired with a compatible ethanol sensor, allowing the engine calibration to automatically adapt to varying ethanol blends such as pump fuel, E30, E50 or full E85. The tuning system also supports data logging and monitoring of numerous engine parameters to assist with performance optimization and diagnostics.

bootmod3 S55 is an advanced ECU tuning solution developed specifically for BMW vehicles equipped with the S55 engine. The system allows full recalibration of the factory engine control unit (DME) through the vehicle’s OBD port, enabling performance improvements and extensive engine control customization. The tuning platform provides optimized performance calibrations designed to increase horsepower, torque, throttle response and turbo efficiency while maintaining factory drivability.

The tuning package includes access to off-the-shelf performance maps as well as the ability to apply custom calibrations. These maps allow vehicles to run different fuel types and performance configurations depending on hardware modifications and performance goals.

Advanced tuning features allow the driver to switch between multiple calibrations, monitor engine data and adjust performance settings for different driving conditions. The system also supports flex fuel tuning, allowing the engine calibration to automatically adjust to varying ethanol content when equipped with a compatible ethanol sensor.

Additional performance controls include adjustments for exhaust burble, cold start behavior, throttle mapping, boost control, speed limiter settings and other parameters commonly modified during high-performance engine tuning.

bootmod3 N55 is an advanced ECU tuning solution developed for BMW vehicles equipped with the turbocharged N55 engine. The system allows full recalibration of the factory engine control unit through the vehicle’s OBD interface, enabling substantial improvements in power delivery, throttle response and overall engine performance while retaining factory drivability.

The tuning package includes a range of optimized performance calibrations designed for various fuel types and hardware configurations. These performance maps increase horsepower and torque by optimizing boost pressure, ignition timing and fuel delivery, making the engine more responsive across the entire RPM range.

The system also supports custom tuning calibrations, allowing professional tuners to create tailored engine maps for vehicles equipped with upgraded turbochargers, intercoolers, downpipes and other performance modifications.

Advanced engine control features include adjustable exhaust burble settings, cold-start control, boost targets, throttle sensitivity, rev limiter configuration and speed limiter adjustments. Real-time data logging and engine parameter monitoring allow drivers and tuners to track vehicle performance and make further calibration adjustments if needed.

Flex fuel capability is also supported when paired with a compatible ethanol sensor, allowing the engine calibration to automatically adapt to different ethanol fuel blends for maximum performance and safety.