Group 3: VW EA888 MQB Golf 1.8TSI/Audi 1.8T 170hp US Model

  • $ 479.00
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JB1 tuner

JB1 STAGE 1 Group 3 

The JB1 is a true user adjustable plug and play solution for all MQB-based models in the VW Audi Group range. Power Gains: Starting at 35whp and 35ft-lb with 91 octane with + 4.80psi boost over stock on the default setting. Engine estimates are 50bhp gained and 45ft-lb.

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

JB1 1.8T specific user discussion forum with testimonials at this thread:

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

Dyno measured at the wheels on a car with drop-in filter:

Dyno measured at the wheels on a car with drop in filter:

JB4 Group 3

The JB4 is a true user adjustable plug and play solution for all MQB-based models in the VW Audi Group range. Power Gains: Starting at 35bhp and 40ft-lb with 91 octane/95Ron with + 4.50psi boost over stock on the default setting. Up to 90bhp and 70ft-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, 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 Support is also provided for the IS20 turbo upgrade providing for outputs past the 280hp level.

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.

Discussion thread for JB4:


JB4 Features & Benefits

• Improves 0-60 times and 1/4 mile times

• Preloaded with custom 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

Vehicle Fitment

• 2014-2021 VW MK7 Golf 1.8T US model

• 2014-2021 VW MK7 Golf Alltrack

• 2014-2021 VW MK7 Golf Sportwagen

• 2014-2021 Audi A3 1.8T US Model





Audi JB4 Mobile demo video

Customer Reviews

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