BASSER Pasklare 12'' inch Subwooferbehuizing BMW 5 Serie Sedan (E39, 1996 - 2003)
Speaker Installation Kit Compatible with BMW 5 Series E39 Touring Sedan Front Ground Zero GZIF 52X Speaker Coaxial 4 Ohm 13 cm : Amazon.de: Electronics & Photo
Subwoofer Box Nokia Audio System Touring BMW 525i E39 103K OEM | eBay