E46 General
Ok, before you flame me, I did use search. In fact, I used this DIY to disassemble, inspect and reinstall my sticky sunshade: http://www.lincomatic.com/e46sunroof/e46sunroof.html
Both of these parts are in perfect condition: (2) SLIDING PIECE LEFT (16) 54-13-8-246-027
(2) RIGHT SLIDING PIECE...