Unleash the power hiding in your factory Engine Control Unit (ECU.) NEUSPEED engineers reprogram your ECU chip to widen the powerband and remap fuel delivery. Horsepower is increased by approximately 15hp at the wheels, and the power stays strong all the way to 4500 rpm.  CARB approved (D236-8)

For 1996 VW Passat TDI OBDI only. Factory chip is pressed into a socket on the printed circuit board, so you, or any skilled technician, can install the chip by following our detailed instructions.  Chip programs are specific to each unique ECU code, and the NEUSPEED chip is only availabe for ECU code 028 906 021 BK.  The ECU code is found on the top of your computer.  Please confirm your code prior to ordering.