Harman Kardon vs Hi-Fi vs Aftermarket Upgrade for BMW | BimmerTech
Internal mirror cover and window frame trim cover L.-side, Harman Kardon (Tweeter not included) original BMW - 51337323509, 51 33 7 323 509, 7323509, 51-33-7-323-509
BMW F30 F31 F32 F33 F82 M4 Harman Kardon SOUND SYSTEM Amp Speakers Subwoofer set | eBay