Originally Posted by JCL

BMW can't say anything about you doing your own maintenance, as long as you use warranty-approved fluids and filters, and the work is done correctly. If the work isn't done correctly, then that isn't warranty, it is service redo. And if you did the service yourself, you would be on the hook for any consequential damage.

To reset the service indicator lights, no need for a reset tool. You can do it with the dash buttons.

http://www.xoutpost.com/bmw-sav-foru...val-reset.html

There are lots of other threads on the subject if you do a search.