F.S. Ballast 2003 7 Series $110 O.B.O.
Working ballast for a 2003 7 series. please email philip at firstname.lastname@example.org
It is also known as like "control unit" from the dealer. list price is around $500 new. Covers a pretty broad range of models, i think 03-06, but please double check.
Looks similar to:
2008 135i | Year 1 of the 1 | AW/Black Boston Leather | N54 | JB4 | Map 5 | 19" Matte Black CSLs | Comfort Access
Adaptive Xenons | Premium/Sport | Cold Weather | Brembos | Clear Bra | Auto Dim | Rain Sensor | 350 WHP