Quote Originally Posted by John_D
I had a similar issue with my M43tu motor, ended up(for various reason) going a good while between services..(13/14k miles)
The filter had collapsed worse than that, plastic parts inside it had broken up. It was a distasteful waiting to happen.
No more issues once I started using OEM filters.
Funnily enough John in this case it was the OEM filter at fault, I am sure like everything there is always the possibility of a bad batch surfacing at some point.