There are clips on my '02. They are the locator clips for the cables where they enter the dust cover.
Look and work just like old brake cable locator clips on GmM and other, vehicles. In the '70s anyway
2003 parts:
http://www.realoem.com/bmw/showparts...& hg=25&fg=05
2005 parts
http://www.realoem.com/bmw/showparts...& hg=25&fg=05