GENUINE BMW HARMAN KARDON!!!! Bmw Harman Kardon Subwoofers Bass Speakers Condition is Used. Dispatched with Other 48h Courier. Genuine harman kardon top hifi under seat speakers. Fits all F series cars. (You just need to place to correct casings). F30 F31 F32 F33 F34 F36 F80 F82 F83 M3 M4. F20 F21 F22 F23 F87 M2. Working perfect all genuine harman kardon bass speakers.