Burger Motorsport

JB4 Performance Tuner - Most Hyundai/Kia Models

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Please note, because we get asked this a lot...

While this is a custom tuneable interceptor box, it is not the same as actually retuning your car. While it can talk to the OBD port for information, on the 1.6T engines, it ONLY connects to boost lines, same as the RaceChip. This means that the tuning is limited to boost control. The 2.0 and 3.3 adds a fuel control wire, which allows minor tweaks to the fuelling, however this is still not the same as tuning your car.

Not to detract from the JB4 at all, it's still a fantastic option for anyone looking to make extra power, especially if you don't want your factory ECU messed with!

One box to tune them all!

That's right, whether you have a 3.3TT Stinger, an i30N, a Cerato, a Veloster, or a turbo i30, this box does them all! Simply plug the OBD2 connector into your car and the car will auto tune itself to suit your specific car!

Power gains of up to 100hp and 100tq to the wheels on a stock vehicle (3.3TT)

The JB4 tuner is a sensor-interceptor style piggyback tuner, similar to their other competitors (like RaceChip) however it's completely customisable. Not only can we custom tune your modified car to suit your modifications, if you're handy with logs and understand the data, you're even able to make the changes yourself!

Utilising a 64mhz processor and dedicated 10-bit digital to analogue converters, the JB4 allows your sensors to be sampled over 800 times per second. This ensures that you're getting the smoothest and best performing control over your engine

The key point of difference with the JB4 over many of it's plug-and-play competitors are the fully programmable CANbus system and the user-accessible data logging capability.

CANbus allows the JB4 to take into account multiple factors, such as; pedal input, throttle position, gear, engine speed, air/fuel ratio, fuel trims, ignition advance, knock, and many other factors. The chip can then not only incorporate those into the performance mapping but with added safety features like boost pressure limitation when the engine is cold, lean fuel condition protection, and the ability to reduce power if the engine is overheating, the JB4 helps to keep your car as safe as possible. Not only that, but as an added bonus, the JB4 can also read and clear fault codes,

With all this taken into account, it's obvious that the JB4 offers a lot more performance, functionality, and safety than your average performance chip.

The JB4 comes pre-loaded with 8 maps including stock and valet mode. These can be selected on the fly using a BMS diagnostics cable (from a laptop or tablet) or from the JB4 mobile smartphone application (Cables and Bluetooth adaptors not included):

  • Map 0 - The JB4 is disabled
  • Map 1 - This map runs 4psi over stock at peak boost, and boost tapers to +2.5psi at high RPM. This is the default performance map, and is suitable for all cars running 95 RON or better fuels
  • Map 2 - This map runs 5psi over stock at peak boost and tapers to +4psi at higher RPM. This is the suggested map for cars running 98 RON fuel
  • Map 3 - This map runs 6psi over stock at peak boost and tapers to +5psi at high RPM. This maps requires using 98 RON + octane booster, race gas, or ethanol mixtures up to E30 (requires fuel line tap on all models)
  • Map 4 - This map runs up to 7psi over stock and tapers towards redline. Suitable only for use with race fuel or ethanol mixtures up to E30 (requires fuel line tap on all models)
  • Map 5 - This map runs up to 7psi over stock but without top end taper. For race fuel use only, and cars will require supporting modifications. Not generally suitable for ethanol mixtures due to fuel pressure supply issues. If using this map on E85 you should be experienced at reading your own logs and evaluating ignition advance and fuel pressure.
  • Map 6 - This is the tunable map, able to be adjusted by the user, or an experienced tuner. It's possible to enter value of boost requested over stock on the user adjustment page.
  • Map 7 - This is the WMI (Water/Methanol Injection) map. This map progressively increases boost as a function of methanol flow. It also holds boost low until WMI is flowing to avoid tip-in knock, and reduces boost as a function of WMI flow in the event of interruption like running out of fluid, line leak, or component failure.
  • Map 8 - This is the "valet-mode" map. If forces the car to run around half normal boost.

Due to a well-documented issue with Hyundai and Kia engines, and as with other tunes and piggyback options, the factory spark plugs can prove to be an issue for these cars when the boost is tuned up. The simple fix is to re-gap the stock plugs down to 0.022" - 0.026". However the better solutions is to replace the spark plugs with racing plugs, which not only offer a stronger spark, more reliably than the stock plugs, but also help to bring down cylinder temps by running colder than stock.

We offer spark plugs on our site here

If you want to wirelessly connect your JB4 to your mobile phone, you'll need to purchase the optional JB4 Mobile connect kit and application. Alternatively, if you have a Windows laptop, you can get the BMS data cable. Both of these options allow you to connect to your JB4, allowing for datalogging, map switching, tune customisation, and updating of the JB4's firmware as newer versions are released, with more powerful maps and new features always under development. 

The JB4 is shipped in a billet all-weather enclosure with fuel control wires preinstalled. They're made in USA and come with a 5 year warranty

For installation guide, further map information, updated firmware, and more, check out the official Burger Motorsport forum post - here

Dyno Results

Kia Stinger - Stock vs. JB4 with fuel control active

Kia Stinger JB4 Results

Supported Models


  • 2018-2020 Kia Picanto (2020+ here)
  • 2018+ Kia Stinger
  • 2011+ Kia Optima
  • 2012+ Kia Cerato (inc. Koup)
  • 2012+ Kia ProCeed GT
  • 2014+ Kia Soul
  • 2016+ Kia Sorento
  • 2016+ Kia Sportage


  • 2018+ Genesis G70


  • 2011+ Hyundai Sonata
  • 2019+ Hyundai Santa Fe
  • 2016+ Hyundai Tucson
  • 2017+ Hyundai Elantra
  • 2017+ Hyundai i30 SR/N-Line (Sedan here)
  • 2018+ Hyundai i30N
  • 2012+ Hyundai Veloster (Note, if you have a pre-2014 contact us first)


JB4 is compatible across almost entire Kia/Hyundai turbocharged line-up
If your car isn't on this list, there is a different model for newer Hyundai/Kia models here!

Customer Reviews

Based on 3 reviews
Henry Edwards
JB4 for Kia Stinger

Fantastic product and great price! The support and service from Cherry is 2nd to none. Best support local retailers rather than ordering from overseas as it's great to have local support and advice.

JB4 Kia Stinger 3.3L GT.

The installation was a bit harder than expected... I do not like the wiring connections and opted for Duetsch plugs instead, the plug for the OBD2 to the JB4 is rubbish. It makes for a much more reliable electrical connector changing to the Deutsch system... Wiring lengths and harnesses were fine...Once installed the setup was relatively easy using Bluetooth... The performance differences are insane... It goes hard... Pointer....Make sure new plugs are fitted as well... 4 stars

Cerato GT

Great service as always and fast shipping. Was easy to install, once I found the OBDII connector and where to put the cable through the Firewall. The hardest part was getting that damn cable through the Bonnet release cable grommet. It was the only place I could find. As I am in Quarantine for another week I wasn't able to drive the car yet but it started fine and could log into the JB4 via Bluetooth easy enough and did the firmware updates etc. I made a very short video after I finished the install and took a few photos, you will see some other mods in there all from Cheery Tuning (thanks mate). I couldn't find any photos etc for the right hand drive Cerato GT so see https://www.dropbox.com/sh/izk7y9mx3ygpvc3/AADHHSQbNRGvZJQhe_jUk-ELa?dl=0 you shouldn't have to have a drop box account to see the photos/video.

No claims are made with regard to the legality of using any parts supplied by Cherry Tuning Pty. Ltd.
Parts are supplied for off-road use only and it is the responsibility of the customer to confirm with their local government regarding the legality of installing any parts for road use.