Burger Motorsports JB4 Tuner suitsย BMW X3M F97 X4M F98
Gains are 80whp/100wtq on pump gas and up to 150whp/175tq 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, with the push of a button on your steering wheel. 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, map switching in dash, electronic wastegate control, ethanol fuel support, and built in advanced CANbus based diagnostic tools. Installation is completely removable with no splicing or cutting of factory wires.
For the latest performance results, updates, firmware, and map guide be sure to visit N54tech.com.
Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS andย Android device via the JB4 Mobile connect kit, or to your Windowsย laptop with the BMS data cable. Both options allow you to record andย analyze vehicle and tuning data, change JB4 performance maps, andย update JB4 firmware as we release free newer versions with updates,ย more powerful maps, and new features under development. Separate JB4ย Mobile app purchase also required.
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JB4ย Features & Benefits
โข Gains areย 80whp/100wtq on pump gas and up to 150whp/175wtq on higher octane or E85 mixtures.
โข Improves 0-60 times and 1/4 mile times
โขย Preloaded with custom BMW tuning software and up to 8 maps for various fuel and modification levels
โขย The JB4 offers a lot more performance, functionality, and safety than your average performance chip
โข Quick Plug & Play Installation
โขย Includes the rugged JB4 billet aluminum enclosure for protection
โข CANbus OBDII integration offering unrivaled tuning features and performance
โข Improved performance over non-integrated chip tunes
โข Runs as smoothly as stock, this is how yourย vehicleย should have come from the factory
โข Compatible with all driving modes
โข Fuel economy unchanged during normal driving
โข Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
โข 91 octane fuel or better required for performance gains
โข Ethanol (E85) compatible tuning maps
โข Able to read/delete fault codes
โข Not VIN locked and can be removed without a trace and resold down the road
โข Made in the USA
โข Free USA Shipping
โข 5 year warranty
S58 JB4 Applications
BMW X3M
โขย 2020+ S58 X3M
โขย 2020+ S58 X3M Competition
BMW X4M
โขย 2020+ S58 X4M
โขย 2020+ S58 X4M Competition
The JB4 is a plug and 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 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.
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DYNO
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