With all of the fancy gadgets and things people get today, there is no doubt having wires running all over the place can get bothersome. Here are 4 places to get switched 12V power in your 3 series.
Didnt quite have your settings right when you took the shot? Wish you had a little more background blur? Check our this guide on creating depth of field in post processing.
The jump into the 1d series is a big one and I know when I made the swtich I was looking for as much information on how to use everything as I could find. Here is a quick list of the majority of the things you need.