Yes you can. Part no is 51-13-7-062-294 ($4.74)
Item #28 on the link below.
http://www.realoem.com/bmw/showparts...91&hg=41&fg=60

You might want to ask the parts guy about these parts too (identified as gaskets in the pic):
51-13-7-058-100
51-13-7-062-294