Originally Posted by elperuano

Sub'd. Going thru the exact same thing
Had some communication with John but he ended up telling me ecutek has no features for the 08 g37.

Buddy of mine is optimistic an ecutek tuner in Miami can make it work.

I remember reading that John was in beginning stages of swapping out ecu from 08 to 09 but that thread also went dead.

Keep us posted!