BMW Harman Kardon Subwoofers Bass Speakers’ condition is used. UNDER SEAT BASS SPEAKERS!!! Genuine harman kardon top HiFi under seat speakers. Fits all 1 and 2 series cars (F Generation). Please check the last photo on the advert!!! F20 F21 F22 F23 F87 M2. Working perfect all Genuine Harman Kardon Bass Speakers.