[Locker537]

There are plenty of discussions on this topic on here and other Porsche forums.

Some examples:

https://www.6speedonline.com/forums/996/224085-plastic-debris-oil-sump-2.html

https://rennlist.com/forums/boxster-and-boxster-s-986-forum/637727-bits-of-plastic-in-oil-filter-need-advice-pics-attached.html