Nearly everything that anyone needs to know is right here on this Board,
The Search Tab, upper right of every page, is your friend. 10 seconds of scanning results showed 2 great threads, of the many, that cover DIY Oil Change.
Here is a handy oil change DIY link, with pics, by TQ2K:
http://www.xoutpost.com/articles/x5/...lvetronic.html
Do some looking & reading...
GL, mD