I'm wondering if anyone has experience they would like to share on custom flashing a 2007 / 2008 E38 ECM LY6 (6.0 Liter) with a T42 TCM 4L65E/4L70E Auto combination? I'm curious what parameters in E38 ECM will need to be changed to allow using the T42 TCM 4L65E/4L70E Auto flash. EFI Live files attached.

Maybe there is a Factory Flash combination (VIN#) for 2007 / 2008 LY6 with the 4L65E/4L70E?

dave w