Burger Motorsports Group 4: JB4 VW Performance Tuner

Burger Motorsports
In stock


JB1 logo
JB1 Stage 1 Group 4

A true plug & play tune offering 45whp and 45ft-lb torque

The JB1 is a true user adjustable plug and play solution for all MQB-based models in the VW Audi Group range. Power Gains on GLI: Starting at 35whp and 45ft-lb with 91 octane with + 3.5psi boost over stock on the default setting or 4.0psi over stock for 93. Engine estimates are 50bhp gained and 55ft-lb. Power Gains on 1.8T: 30whp and 50ft-lb on 91 octane.

Adjustment procedure, software download, and further information can be read here:

JB4 logo
JB4 Group 4
The JB4 is a true user adjustable plug and play solution for Gen3 Jetta GLI and Turbo Beetle. Power Gains: Starting at 55bhp and 60ft-lb with 91 octane/95Ron with + 4.0 psi boost over stock on the default setting. Up to 80bhp and 80ft-lb with bolt-on modifications, higher octane, and boost adjustment with the optional BMS Data Cable. 

The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more.

The unit can be used with our JB4 Bluetooth Connect kit providing for full in-car engine parameter display, map switching, and adjustment The JB4 can also be stacked over flash tuning allowing for fine-tuning as well as meth control with safety measures in place and full logging.

Adjustment procedure, software download, and further information can be read here:

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. A separate JB4 Mobile app purchase is also required.

The JB1 and JB4 are compatible with all the below models and have been tested in all markets and on all year models. 

Vehicle Fitment
• 2013.5+ VW Jetta MK6 GLI Gen 3 
• 2013+ VW Beetle 2.0T Gen 3
• 2014+ VW Beetle 1.8T 
• 2014+ VW Jetta 1.8T Gen 3 170hp
• 2014+ VW Passat 1.8T Gen 3 170hp 

JB4 Features & Benefits

• Improves 0-60 times and 1/4 mile times
• Preloaded with custom VW 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

For any VW sales, support, and technical questions please contact George at George is the only BMS representative familiar with the VW platform.



Dyno measured on the wheels on 91 and 93AKI

Dyno measured on the wheels on 91 and 93AKI

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We have a 30-day return policy on all items, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. Exceptions / non-returnable items Certain items cannot be returned, Burger Motorsports does not allow returns, custom products (such as special orders or personalized items). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards. Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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