Originally Posted By: fpracha
So you feel the OEM filters are the best to use unless a price issue, in which case the Mann oil filters will be next in line?
Next in line or pretty darn close. I have a great deal of confidence in the German filters (Mann, Bosch, Mahle, and so forth) and also in the American made versions (i.e. Purolators, regardless of badging). Here, most of the Mann and Bosch filters readily available are for German applications only. Purolator is similarly rare, here, except in Motorcraft badging.
Here's how I look at it, with respect to my G, since it certainly isn't of the German lineage for filter applications like my Audi (where Mann is OEM anyhow), nor as generic as the FL1A in my Ford. The Infinit G37's OEM filter is rather expensive (over $11 from my supplier; I'm afraid to check the dealer), and Nissan OEM filters aren't exactly people's favorite. I like Wix and use it regularly, but it's $8.60 before tax. The Motorcraft version is a tiny bit more money. I get the American made Bosch for under $5. The American Mann is probably very similar - perhaps even identical - but not readily available here.
So, for under $5, it's a pretty easy choice. It's a top quality filter at a decent price. If my supplier had American Manns instead of American Bosch for that application at the same price, I'd have bought them just as quickly. As a matter of fact, as soon as a local supplier started carrying Mann, I went and looked for the G's part number. However, they're only carrying German Manns and I was out of luck.