BMW F30/F31/F34/F80 Speaker Upgrade with Harman Kardon – Bavsound
BMW F30 Harman Kardon Front Mid Door Speaker & Tweeter Upgrade! (Better Audio & Bass) - YouTube
Stage One BMW Speaker Upgrade for F31 with Harman Kardon – Bavsound
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
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