Originally Posted by Socom
LL04 is a low-Saps version of LL01. LL04 has been used in parts of europe since the days of the E46/E39 etc. Both are ACEA A3/B4 but LL04 also has C3 (low Saps designation ).
Due to inconsistent sulphur levels and ethanol BMW specs LL01 for gassers in North America. US diesels use LL04.
Cool, thanks for the info!