I would advise against getting the ddm tuning bulbs for your headlights. My stuff shipped straight from china and were pretty much what you would expect for $35. Personally I would get higher quality headlight bulbs or leave them stock but that's just me.
Current - 2013 N55 535xi Msport SAT
Retired - 2009 N54 335i Msport 6MT
Retired - 2000 M52TU 323i ASA Supercharged 5MT
More photos of my car here