I have no idea what those small pieces are. I never did anything but buy the cover and rip out the old, install the new. I don't think they are needed as far as I can tell. It says right above that part that it is for vehicles with "protective glazing" which to me means the thicker, heavier glass that is available for E39s. I had a buddy who installed the heavier glazing (i.e. glass window) on his car doors...not so sure about the front and rear ones, however.
2001 530i/5 (E39), Topaz Blue/Stone Green/Black (118k miles) *very rare interior/exterior color combo*
2005 545i/SMG (E60), ED Order, Titanium Grey/Grey (lease over)
2015 335i, ED Order Summer 2015
Last edited by Ågent99; 09-03-2013 at 12:17 PM.