[tomerk]

Originally Posted by Tjcf14

Tomerk, see this post, should fix the problem. And certainly spread the word to the 4series forum you are on.

A permanent Fix for the 335i/435i 2500 RPM Rattle/Buzzing/Whirring Noise? http://www.f30post.com/forums/showthread.php?t=949816

Wow! Great news, thanks!
Now all I have to do is convince BMW IL that there is a problem...
I'll keep you posted as soon as I have some news.