The discussion in the linked thread involved a comparison of M1 vis-à-vis Castrol's 0W-40, but it's still relevant here as it will focus your thinking: https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4716204/1 See, in particular, post # 4723891. My choice would be Castrol's 0W-40.
I think LM is near 100% synthetic while Edge is about 50%, if that makes a difference.
Castrol website states Edge is premium fully synthetic, for CRZA engines they recommend
Castrol EDGE 0W-30 A3/B4
That because over here we are on the flexible service which requires a different spec oil..to VW 504 00..
if you are fixed service you require oil to VW spec 502 00....it has been this way for the last 16yrs at least...
you can alter at any time from flexible to fixed...just VW designated certain countries as one or other depending on fuel quality, climatic conditions etc...
I have altered mine from flexible VW504 00 approved oil at 5w30 ...to VW502 00 fixed service approved oil at 0w40 ...& both are Castrol edge & recommended for my engine...
I deliberately used the US Castrol site because us Brits are in the minority on this forum ��
I deliberately used the US Castrol site because us Brits are in the minority on this forum ?
Thanks for the ecological disaster in our Gulf, bro.