Also, you'll have to hollow out the bulb holder. Just cut the back off, and take a dremmle and care out the inside so the HID fits. Takes about 5-10 minutes.
Only way to make it work.
I'd buy 2 new ones, just as a back up incase. $15 for BMW.
05 M3 TiAg 6MT.
exhaust and tune making 312whp.