-THE POWER BOX UNIT  ENHANCES THE PERFORMANCE OF YOUR ENGINE  TO 10%

BMW E39 520i

BMW E39 523i

BMW E39 525i

BMW E39 528i with plug maf square

BMW E39 530i

BMW E39 535i with plug maf square

-THE POWERBOX IS DISTRIBUTED WITH THE ORIGINAL CONNECTORS,WHICH MAKES IT EASY TO CONNECT.

-DISCONNECT ONE CONNECTOR AND CONNECT THE POWERBOX ON THE PLUG OF THE INTAKE PRESSURE SENSOR.

-THE POWERBOX MODIFIES THE PARAMETER OF PETROL/AIR PRESSION/AIR TEMPERATURE AND QUANTITY OF PETROL ARE CONTSTANTLY MODIFIED AND OPTIMIZED BY MICROCONTROLER.

-WARRANRY 2 YEARS.