80% of m3 owners will say stick with TWS Castrol or your car will blow up...
However liqu-moly 10w 60 GT1 oil is also a great substitute and will work...
Disclaimer: not liable and I do not work for liqu-moly
Rock Hard Abs Racing
SMG - NAV - Heated Seats
: Doors/Seat Back/Trim/Paddles
firstname.lastname@example.org for outside contacting