01 ML55, 96 S320
I know they say no but I've read positive stories of people using 722.6 variants. All the .508s are find are $$$$ but some of the stuff from E and SLs aren't as bad. Different gearbox but is it different enough where it wouldn't work in my S320? Other option is a rebuild of my 722.5 but I'm not sure if I'm ready for that DIY just yet. Would be interesting one though.