Thank you for the link,https://www.tascaparts.com/auto-par...l-v8-gas-engine/body-cat/outside-mirrors-scat
You can see the 2019 mirror options here. Some part numbers have BLIS and others don't.
That i really didn't know about!Just in case you don't realize it, it takes more than the mirror to get blind spot monitoring. There are sensors in the back of the car, plus wiring that has to be installed.