The X6M motor requires 10/60w. not 5/30w
or any other grade. This is what I used, get two jugs, you'll practically use it all. Use a jug and 1/2 and check your level. BMW likes lots of oil in they're M series.
Liqui Moly 2024 Synthoil Race Tech...
https://www.amazon.com/dp/B00CPL918E?ref=yo_pop_ma_swf
I read this is popular in Germany. I like Mobil 1 more, but at the time I could not fine the right grade.
This filter Wix makes BMWs filters, Wix had been in the filter biz forever, and they make a very good filter. PAY attention to how you take it off, the spring they use will center the filter itself once assembled properly.I don't have the wrench size yet, sorry. Its easy to do. One O-ring goes on the plug, one is not used.
Wix 57189 Oil Filter
https://www.amazon.com/dp/B006LVY22E?ref=yo_pop_ma_swf
enjoy, I love working on mine.