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MIni Performance Tuner Chip
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MINI B38/B46/B48 JB4
b48 b46 b38

Applications:

• 2014+ MINI S B38/B46/B48




Jb4 Mini Cooper raise boost

Ready to take your MINI B38/B46/B48 turbo to the next level?

How about up to 40hp to the wheels (50hp crank) on a completely stock B48 on pump gas? The JB4 features a simple plug and play installation harness for easy installation and includes many features not found on any other tune. Including on the fly in dash map switching between factory and various performance maps, optional in dash gauge displays for boost, boost limiting by gear for improved traction in lower gears, E85 fuel support, progressive water/methanol support, built in data logging, built in code reading, and much more.

Remember the JB4 does not require any additional modifications or previous stages. Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth racing experience. The JB4 also does not require any user setup or customization but for more advanced enthusiasts the BMS DATA cable allows you to connect via a laptop for data logging and free software updates. Made in USA. 5 Year Warranty.

The latest B38/B46/B48 map guide, feature set, firmware updates, and directions are posted here.

2018 kia sringer performacne tuner chip eus flash jb4
JB4 Features and Benefits

• Power gains of up to 40hp to the wheels on a stock vehicle
• Quick Plug & Play Installation
• CANbus integration offering unrivaled tuning features and performance
• Runs as smoothly as stock, this is how your MINI should have come from the factory
• Compatible with all driving modes
• Fuel economy unchanged during normal driving
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• Not VIN locked, can be removed without a trace and resold down the road
• Made in the USA
• Free USA Shipping
• 5 Year Warranty
 
B38 B48 Mini cooper 3 cyl engine
MINI B38/B46/B48 JB4

$529.00 + Free Shipping in USA

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Optional BMS Data Cable for diagnostics and updates
This proprietary DATA cable connects the JB control box to your laptop for use with our new datalogging, tuning, and map loading software. More info here.

$35.00

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Optional JB4 Smart Phone Wireless REV3 for diagnostics and updates
The JB4 Connect Kit (Rev 3) allows your Bluetooth 4.0 compatible iOS and Android devices to connect wirelessly to your JB4 with optional software. More info here.

$140.00

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Estimate Shipping by adding to cart and entering in your ZIP code or country.

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