Before you start!
Make sure your vehicle is turned off, and plug in your SCT X4 to the OBD2 port. Once you have done both of these steps, we are ready to start.
What you need:
Finding the ECU/TCU Strategy
1. Navigate to the Main Menu screen on the X4.
2. Use the arrows to scroll down to the Vehicle Info option and select it.
3. Follow to prompt on screen and start your vehicle. After waiting 4-5 seconds, hit continue.
4. In this section you will find the ECU and TCU Strategies.
Finding the device serial number
1. From the Main Menu select Device Info
2. Here you will find the devices serial number
Credit to SCT for the photos snipped from their video found here.