Originally Posted by kschachn
Originally Posted by kyoo
thanks for the clarification and distinction. none of the other options for the S65 M3 even mention any filtration specs, so it's difficult to know which/how to upgrade
Nah they don't. None of the OEM ones for my BMW report it either, neither do Toyota or Honda. Especially for cartridge filters it is nearly impossible to compare filtration statistics in any meaningful way.
true.. fram extra mentions 95% or whatever, was hoping there was an ultra version but doesn't look like it