what is this part called?

[lilindienplaya]

there is a fiberglass peice that goes under the middle of the engine compartment i hit possom and it broke that now i cant find that peice youll see what im talking about in the attachment

 

[E30m42cab]

http://www.realoem.com/bmw/showparts.do?model=AZ33&mospid=47721&btnr=51_3275&hg=51&fg=75 Part #2