JB4 Tuner for 2016-2022 G12 N74 V12 BMW M760Li xDrive (BETA) + Wireless Bluetooth Connect Kit

Gains are 104whp on pump gas and up to 198whp 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. 

JB4 FEATURES & BENEFITS

• Gains are 104whp on pump gas and up to 198whp on higher octane or E85 mixtures.

• Improves 0-60 times and 1/4 mile times

• Preloaded with custom N74 V12 JB4 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 unrivaled 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 aluminum enclosure for protection

• Made in the USA

• 5 year warranty

Vehicle Fitment

BMW X7 Series

• 2016-2022 G12 N74 V12 BMW M760Li xDrive 

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. 

If your looking for N74 tuning for your 2016-2022 G12 BMW M760Li xDrive V12 the JB4 is a perfect BMW V12 engine tune. 

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