You've confirmed my suspicions ! I'll check the oil again now cold and see what colour it is! I'm thinking of using Valvoline 20/50 racing oil having had great success with that previously unless someone has other recommendations?
Also anyone know the capacity save me looking it up? Thanks all!


1969 4/4
1995 plus 8
2002 Aero S1
2013 M3W
2014 Plus 8