I did that more than once and did receive the ferrite cores. But the wifi config option is still grayed out.
The new unit is registered with the same email as the one I returned. Would I have to register the new unit again? Using the same email address or a different email address?

Got the new one in and it updated and loaded new tunes. Was able to load tune in Mustang with no problems. It's running like it should and speedometer is correct.
The only problem is the wifi configuration is still grayed out. Is there any other way to get that active?
Thanks!

Any update to getting my I2 working?

Here is the info file:

Bought I2 from American Muscle in 12-16, Bamatunes can't resolve problem and suggested to contact Diablo so here goes:
Originally tried with Mac but never worked right, installed Win7 on mac and finally got it to work on my Mustang 2014 V6. But the speedometer was reading 8-12mph low. Bamatunes sent ...

I'm having the same problem. Using Ignition and go through the update process on Win7 machine get to "installing updates, Your update is now being installed, please follow the instructions displayed on your device."
Then I get the following: "If the screen below is displayed, please disconnect and ...