RetroRadio LCB-M4-308-309-39-78BM2 for 1977-83 BMW 3 Series — Bluetooth 5.0, HD, SiriusXM-Ready, AM/FM

Assembly required. Modular mounting design tailored for 1977-83 BMW 3 Series vehicles. AM/FM tuner with HD capability and 30 presets. Built-in Bluetooth (Version 5.0) for wireless audio and connections. Two USB ports plus a dedicated subwoofer output for expanded audio options. SiriusXM-Ready® (SXV300V1 tuner sold separately). Integrated 300-watt (peak power) Mosfet amplifier.