I'd suggest you go here http://www.autopartsway.ca/autoparts...W~328is~241142
, or here http://www.importcarpartscanada.ca/S...ch+Kit&mode=PA
to buy your clutch kit.
If you are decent with a wrench or have friends that can help, look at the DIY below and see if it's something you could manage.
If not, call anyone of the sponsors on our boards for a quote on labor for the installation. Or have them quote you for both parts and labour, whatever works best for your time and pocket.