Burger Motorsports JB4 Tuner

The legendary Burger Motorsports JB4 module is one of the simplest and most dramatic modifications you can perform on your VW/Audi. Whether this is your first modification, your only modification, or the finishing touch on your build, the Burger Motorsports JB4 is exactly what you're looking for. Simple, plug-and-play installation can yield results starting at 30hp and 40lb-ft. Higher octane and boost adjustment with the optional BMS Data Cable (ES3514851) or Smartphone Wireless Connect Kit (ES3514868).

Unlike other tuning systems the JB4 includes a fully programmable CANbus system, at home upgradable firmware, and data logging capability. CANbus allows the JB4 to access engine data to take in to account pedal input, throttle position, gear, engine speed, air/fuel ratio, fuel trims, ignition advance, knock, and many other factors and incorporate those in to the performance mapping. It can also read/delete fault codes, incorporate unique safety features such as keeping boost pressure low until oil and water is up to temperature to provide proper engine and turbo lucubration, and drop to a low boost map if the engine starts to over heat, run lean, excessively knock, or over boost.

The default JB4 map1 runs 3psi over stock peak and tuned maps including stock and valet mode can be selected on the fly using a BMS diagnostics cable or JB4 mobile smart phone adapter.
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.

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.

Simple plug & play installation

• Gains starting at 30 horsepower and 40lb-ft of torque on 91AKI/95Ron
• Can be updated and provide data logging capabilities with an additional cable
• Made in USA.
• 5 Year Warranty.

Note: For off-road racing use only. Not for sale or use in California. All buyers must sign an emissions compliance waiver prior to ordering.

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.