My vote is the LM from Bav Auto. Not Dex VI certified but recommended by Bav Auto and working well so far!
Or go with your Castrol choice!
My garage: 2013 BMW 550xi GT, 2007 BMW Z4 3.0si Manual, 2006 BMW 530xi
Retired: 2007 BMW X3, 1998 BMW Z3
Member of BMWCCA!