Originally Posted by Z K
It is the same oil. Castrol just changed the labeling on the bottles to be more consistent to the regular oils they sell in retail stores.
BMW dealers all have the new Edge Professional bottles now. You won't find the big TWS lettering on the bottles.
I'm a BMW Tech. It's the exact same oil. The first time I got it, I went back and asked the exact same question. I was assured it was the same thing, I did some of my own research too and came to the same conclusion.