Or a V10 LOL
edit: wait, is the S54 the V10? LOL
no singh, but is just as epic of an engine.
when cossey eventually wads his E46 m3, I’m stealing the motor out of it 
oh alright, because i cant remember all these numbers and shit so i almost thought it was and felt like a retard, but now i officially feel like a retard. Back to normal.
s85 is the v10 in the new e60 m5’s
Fixed. New M5’s are getting twin turbo V8s.
The V10 M5 motor is one of the best sounding motors ever offered in a street car though. Pure sex.
there was an article with someone putting the s85 into an e92 m3, i dont see a reason why i dont think its worth the effort over the new m3 v8 but to each their own