2 x SUBWOOFERS ON PICTURES!!!! Genuine BMW F25 F26 F15 F16 Under Seat Subwoofers Central Bass Speakers X3 X5 X6. Genuine harman kardon Logic7 BMW speakers. Fits X3 X4 X5 X6 models. E70 E71 F15 F16 F25 F26. Please check compatibility first. As seen in pictures.