I am not questioning whether I should use or not. The specs and the viscosity is the same as the TWS 10w-60. I am just sharing what I have discovered.
2007 E92 6MT - Silverstone II with /// Performance Exhaust with ACM Test Pipes and BPM Sport Stage II Dev-Tune - Proper engine warm up, 12-monthly oil change, Castrol TWS 10w-60
2014 F15 X5 3.0d