Zach, angel eyes, only if you after marketed them. not even offered on the 3er until the e60s came around.
DDRs became popular due to a study that came out of Canada, where its foggy and gets dark early or whatever, thus having the lights on helped w/ visibility.
but here's my thing, you can turn the damn lights on yourself, when you think you need them on. i think running with them takes away from teh look of the car. (it was actually the first thing i requested when i picked up my car.) until proven otherwise, i believe it to be antoher knee jerk reaction consumers had which led to a mostly failed marketing by GM. remember the stpuid "your lights are on!" saturn commercial? i took it as, 'so, turm them off and stop smirking dumbarse!!' why can't people come up w/ something actually useful? alas, toyotas and GM and some other manufacs have it as a standard option, and can't diable it..