There are 5 on mine:
High beam
Low Beam
Corner light / blinker
Xenon solenoid
auto level motor
(then there's a module underneath but i'm not counting it)
I think your car has another plug for the little pilot light though.....
Hey, Mister Xenon Man! What do you think of my latest Xenon escapades: http://www.bimmerfest.com/forums/showthread.php?t=379708 BTW, what does each connector serve for? Das blinkenlights I figured out, but the top/center and all the bottoms?