PLUG B: JB1 and JB4 The boost sensor plug on the manifold is removed by pushing the grooved tab down on the end of the sensor (yellow square) and pulling the plug towards the back of the car. Plug the removed plug into the male plug on the JB harness and the female plug from the JB harness into the sensor.
What is jb1?
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 45bhp and 45ft lb with 91 octane with + 4.80psi boost over stock on the default setting.
What's the difference between jb1 and jb4?
So as I understand it, the big difference in the products is the jb1 is just plug and play and there isn't much adjustment whereas the jb4 has multiple maps and each one can be customized.
How much HP does JB4 add?
In short: yes. A general rule of thumb is 10hp for every 1 psi of boost added.
Does JB4 make a difference?
Performance: The JB4 is able to achieve a dramatic performance increase, completely transforming your vehicle. But it's also more limited relative to a flash tune as it is working off the factory flash tables.
What does a JB4 tune do?
What is a JB4? The JB4 is a plug and play tune available for turbocharged vehicles. The JB4 tuner installs between your car's sensors and its DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster.
What is a JB4 for VW?
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 45bhp and 45ft lb with 91 octane/95Ron with + 4.50psi boost over stock on the default setting.
Warning
Work at your own risk. This work is inherently dangerous and must only be carried out by a qualified mechanic.
Step 1
When attempting to disconnect Plug D on the bottom of the engine, gently lift the clip with a flathead screwdriver, then gently pull the connection apart.
JB1 Stage 1 Group 1
The JB1 Stage 1 is a true user adjustable plug and play solution for all MQB based models in the VW Audi Group range. Power Gains: Starting at 45bhp and 45ft lb with 91 octane with + 4.80psi boost over stock on the default setting.
JB4 Features & Benefits
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.
