Originally Posted by crystalworks

I hear you. I don't trust many of my friends to work on my cars either. Only one really, lol and only under my supervision.

This is the foam washer in question.



And here's a better shot from another user. It leaves foam dust everywhere as a tell tale sign of failure.



Edit: Here's a good thread on the rebuild. I posted one too but I used this one to get a good idea of what I was in store for.

https://xoutpost.com/bmw-sav-forums/...ive-drive.html