Lower control arm:
http://www.realoem.com/bmw/showparts...19&hg=33&fg=30
Rear sway bar & links:
http://www.realoem.com/bmw/showparts...17&hg=33&fg=45
Rear sway bar end links are easy to do. I changed mine this summer.
Lower control arm doesn't look to hard, but the part is expensive!!