BMW E39 Speaker Upgrade for 1996-2003 E39 (Sedan/Wagon) – Bavsound
BMW e39 DSP Subwoofer Touring Sub Woofer Schlachtfest in Nordrhein-Westfalen - Herne | Ersatz- & Reparaturteile | eBay Kleinanzeigen
Sharing audio upgrade on my non-DSP in '99 528iT. Kept OEM headunit/cassette (for looks mostly). Replaced stock speakers with Bavsounds & replaced OEM CD changer with GROM bluetooth which punches above its