alright. We all know about the infamous banjo bolt filter on the passenger side that can get clogged and kill our turbos (yes we do have another one the driver side behind the timing belt cover, but let's skip this one for now..).
There is a looooooong thread about how to change it
. I've used it to do the job on my car.
I felt that it'll be useful to have a thread just addressing how often
one should inspect and/or change it. This is assuming one does not
want to get rid of it of course.
So here is the question: how often should one do this? I provide a poll that may help people in the future. I hope you'll all vote.
2007 TSB about it: here