Free Shipping on Orders $99 and Up

Exclusions apply

Burger Motorsports JB4 - Audi 8V/8Y RS3, 8S TTRS 2.5T

Burger Motorsport

JB4 Group 9:

This easy to install plug and play tuner 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.

For flashed cars that want to use the JB4 to add moderate boost, meth control or as a logging tool the BCM is not required. For cars without a flash tuned ECU, the BCM is required.

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

For map details, updates, and to join the discussion, please click or tap here.

Installation Instructions:


  • 2022+ Audi 8Y RS3 2.5T
  • 2018-2020 Audi 8V RS3 2.5T
  • 2018+ Audi 8S TTRS 2.5T

Optional Accessories

JB4 Wireless Mobile Connect Kit or BMS Data Cable

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.

BCM (Boost Control Module)

This JB4 add on module allows direct wastegate control and higher boost levels for those running higher octane fuels, WMI, and/or aftermarket turbo systems.

Billet Aluminum Enclosure

The most protective case in the JB4 line-up. The sleek, stylish JB4 billet aluminum enclosure withstands drops, shocks and bumps while protecting electronics from dirt and water. CNC machined with a rubber sealing ring.

Note: Not sellable to California residents. California residents. Please click here for emissions guidelines

This product is sold for racing and offroad use only, and is not to be used on emissions controlled vehicles. Additionally this product has adjustable parameters that if adjusted in an incorrect manner could lead to unsafe running conditions that could potentially harm the engine. Use at your own risk. NGP accepts no liability with the use or misuse of this product.

More Information
Brand Burger Motorsport
Stock Type N/A
Write Your Own Review
You're reviewing:Burger Motorsports JB4 - Audi 8V/8Y RS3, 8S TTRS 2.5T
Your Rating