Cart 0

Chosen Vehicle:

No Chosen Vehicle

BMS Audi 4.0 TFSI C7 D4 JB4 Tuning Box (Inc. S6, S7, RS6 & S8)


  • £599.00
    exc. VAT £499.17

Power gains of up to 60hp and 75tq to the wheels on a stock vehicle!


You may also wish to add the Data Cable or the Bluetooth Connect Kit for additional features.



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 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 overheat, run lean, excessively knock, or over boost. Fully compatible with JB4 mobile for on the fly map changes, data logging, firmware updates, and much more.

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.



  • Power gains of up to 60hp and 75tq to the wheels on a stock vehicle
  • Improves 0-60 times and 1/4 mile times
  • 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

Compatibility Check

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. 



  • Audi C7/7.5 S6 4.0 TFSI (2012-2018)
  • Audi C7/7.5 RS6 4.0 TFSI (2013–2018)
  • Audi C7/7.5 S7 4.0 TFSI (2012-2017)
  • Audi C7/7.5 RS7 4.0 TFSI (2013-2017)
  • Audi D4 A8 4.0 TFSI (2012-2018)
  • Audi D4 S8 4.0 TFSI (2016-2018)



5 Year BMS Repair Warranty


Manufactured by

Burger Motorsports


Part Number


Next Day UK Delivery

Get FREE Guaranteed next day UK delivery for orders over £99 (exc. VAT) on all in stock items. Same day dispatch available if your order is placed before 11:00 GMT on all in stock items!

Worldwide Shipping

We ship worldwide via DHL International, simply enter your full address at checkout to see the shipping option(s) and quote(s). Same day dispatch available if your order is placed before 11:00 GMT on all in stock items!