Gintani Range Rover HSE ECU TuneOBD Tune OBD tunes allow customers to simply plug and upgrade their ECU. We will ship you a Gintani cable along with instructions Bench Flash Requires ECU to be mailed in. This upgrade requires you to send us your ECU for re programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out. You must fill out and include a copy of the ECU Information form along with your ECU upon sending it in.