If you want bulbs that match the halos I would suggest the morimoto 5000k bulbs. They are more white while the ddm bulbs looks alittle more blue.
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