DiagnoseDan - Left=Mann filter. Right= Bosch filter. Both made in China. Looks like both buy from the exact same Chinese factory! | Facebook
Recent DIY oil change... PA or AL... What the heck does this mean? - Page 2 - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i /
![I Just Learned That German Oil Filter Company Mann Sells Coffee Filters, For When Your Morning Brew Needs 99.5% Filtering Efficiency at 10 Microns - The Autopian I Just Learned That German Oil Filter Company Mann Sells Coffee Filters, For When Your Morning Brew Needs 99.5% Filtering Efficiency at 10 Microns - The Autopian](https://images-stag.jazelc.com/uploads/theautopian-m2en/Mann_Filters_TS.jpg)