According to the Weight Reduction Compilation Thread ->
http://www.e90post.com/forums/showthread.php?t=627141
It`s 9.6lbs. (thick piece of plastic)
I also removed.
Rear Seat- Back: 40lbs
Rear Seat- Bottom- 14lbs
Battery Cover (With Tools): 3.1 lbs
Trunk Lining (both sides) plus rear plastic piece- 5.2lbs
Interior Trim Pieces- B Pillar and door flooring- 3.8 lbs
Easily Removable Seat Belt Pieces- 6.8 lbs
Hood Cowling, Cabin Air Filter, wire holder, ECU Cover (Missing ABS Cover)- 10lbs
Front Sport Seats- 65 lbs each
Trunk Insert- 1.5lbs
Measily 30 mins to remove it. Quick, easy, fast extra weight to remove.. except.....
Back to my question please