Originally Posted by
mariontr
Hi Folks to continue this thread but maybe I need new glasses, but just installed a Mann 718/5x. I still see the two black marks on the filter whether I flip it over or not. Is the Mann name suppose to be at the top or bottom?
After owning three Roadsters over ten years and 100,000 miels, I can tell you it does not matter.
What matters is that you use the Mann fleece filter, not the paper one; and that you replace the o-rings and position that top one properly.