4D0 907 551 AP Audi A4 1997-2001 ecm ecu computer

This is a ecm or engine computer for a 1997-2001 Audi A4. The part # is 4D0 907 551 AP. It comes with a 90 day warranty. Make sure your part number matches before ordering. Computer may need to be reprogrammed to your vehicle.                                                                                    Stock #4G128