I use Valvoline Synpower 20-50W Full Synthetic. I've had great luck with this oil. It meets the higher Euro specs and is the only other oil approved for the BMW M series engines other than the BMW brand itself(which is also made my Valvoline). Just my 2 Cents. Hodaka Guy --- In dmcnews@xxxxxxxxxxxxxxx, "Video Bob" <videobob@xxxx> wrote: > I just had this long discussion with John Hervey at SpecialTauto tonight.... > We were discussing the "best" oil filters, etc, (which may be revealed in > another post) > but we both came to the conclusion that you should use what is recommended > in the manual > which is 20/50. [moderator snip]