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Contact carrier directly for shipping updates 📲 🚚- > Click HERE for March Discounts! 😉

BMS JB4 Tuner Group 9: for Audi 8V RS3 FL & 8Y inc. TTRS 8S 400hp

$1,179.99
Part No. JB4-RS38V-P77-OBD (SENT)

Pre-Order or Notify me when back in stock

Note: Refer to image to determine version and fitment prior to purchasing.


JB4 Group 9

Power gains start at 50whp and 65ft lbs on 91AKI/95Ron

The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full SENT sensor technology required for properly tuning the latest Audi platforms. Includes full CANbus allowing the JB4 to access and incorporate all engine data in it's tuning strategies, incorporate unique safety features such as keeping boost pressure low until oil and water is up to temperature to provide proper engine and turbo lubrication, and drop to a low boost map if the engine starts to over heat, run lean, excessively knock, or over boost. Includes fuel control for ethanol mixture mapping. Fully compatible with JB4 mobile for on the fly map changes, data logging, firmware updates, and much more. Installation is very discrete and it quickly removes without a trace when needed. Fuel economy during normal driving is unchanged. Compatible with all driving modes. Made in the USA. 5 year warranty.




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. Separate JB4 Mobile app purchase also required.


For map details, updates, and to join the discussion: https://www.n54tech.com/forums/showthread.php?t=56120

JB4 logo Burger Motorsports

JB4 Features and Benefits

• Power gains of up to 50hp and 65tq to the wheels on a stock vehicle
• Improves 0-60 times and 1/4 mile times
• Preloaded with custom Audi tuning software and up to 8 maps for various fuel and modification levels
• 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
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• 91 octane fuel or better required for performance gains
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• Not VIN locked and can be removed without a trace and resold down the road
• Made in the USA
• Free USA Shipping
• 5 year warranty



The JB4 is compatible to all the below models and tested in all markets and on all year models. 

Applications
 Audi 8V RS3 FL
 Audi 8Y RS3
 TT RS 4S

Audi TT RS TTRS with JB4 Tuner



Install Guide / JB4 App