I do understand where you're coming from and believe it the Exx stuff comes packaged with BMWs from Europe and it is so confusing to some it warranted a whole topic and discussions. To get used of it click here:
http://www.bmw-forums.com/forum/inde...howtopic=30980
As to the rest of your questions and concerns? Practice makes perfect simply put: give it time to learn; and you are more than welcome to ask.
Your first lesson is: BTW this means "ByThe Way"
Many-if not all-on this forum are good people willing and able to help you .
regards
billb
