I can't believe I forgot to post this thing. I don't know how many of you know about this but I found it a few months ago and completely forgot about it until today. This is probably the most useful thing on BMW's website, and it's especially useful if you're a new BMW driver or enthusiast.
BMW glossary: http://www.bmw.com/generic/com/en/fascination/technology/technologyguide/index.html
BMW glossary: http://www.bmw.com/generic/com/en/fascination/technology/technologyguide/index.html