What brand was the bulb?I was assured at Napa that it was the same bulb, but I understand they change over time. It bothers me, but not enough to toss out a perfectly good $170 bulb yaknow? Daily driver, and theres some other things I've got on the list before the bulb. Good advice though.
Edit: I may have overpaid... http://www.khoalty.com/bmw-e46-d2s-xenon-replacement-bulb.html