I have a e40 ecm that was tuned by someone else and they locked the tune. I reflashed the ecm with stock calibration using the oem scan tool (mdi). i'm helping someone out, he is tuning with hp tuners and still can't access tune. has any tried using the efilive unlocking ecm feature? will I have to use a credit? if I get it unlocked and it puts ecm in a Deadpool can i reflash it with gm tool or will i need a tune in efilive format? I will try using the unlocking feature tomorrow, just trying to get heads up on anything.