JB4 Group 14

The JB4 is a true user adjustable plug and play solution. Power Gains: Starting at peak Gains 28whp 50ft-lb. Peak gains 40whp. in certain rpm ranges.

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.

JB4 FEATURES & BENEFITS

• Up to 40whp on a stock vehicle
• Improves 0-60 times and 1/4 mile times
• Preloaded with custom Audi 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

Audi
• 2008-2015 Audi B8/8.5 A4/5  EA888 Gen2 2.0T

• 2008-2015 Audi B8/8.5 Q3 EA888 Gen2 2.0T

• 2008-2015 Audi B8/8.5 Q5 EA888 Gen2 2.0T

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