Quote Originally Posted by Uncle Nick View Post
If your wiper is OK in one direction, and not the other, then the problem is that the arm is "twisted".

Some time ago, I saw a video which explained really well how to fix this.

Do a "google" search on "Mini Cooper wiper blade chatter" and look at the video a couple of times.

If you cannot find the video, let me know. I will then try to find it for you.

Ciao!

Uncle Nick.

Just read this wiper blade issue - thanks much for sharing!