BMW E39 5-Series Alpine and Kicker Audio Upgrade – Overdrive Auto Tuning
Focal ISU130 Speaker Boxes, 13 cm, 2-Way Car Installation Accessories, Installation Kit Suitable for BMW 5 Series E39 Saloon, justSOUND : Amazon.de: Electronics & Photo
BMW E39 5-SERIES WAGON REAR SUBWOOFER SPEAKER BOX 8374504
98-2003 BMW E39 540i 525i 530i 528i door speakers Genuine set of 6 | eBay