Match 3 way Component speaker upgrade to fit BMW 3 series E90 E91 E92 E93
8" subwoofer, 4" midrange and 1" tweeter for the original mounting positions. E91 Touring 2005 - 2011 Front door & underseat. Crossover Separate, 6 dB / 12 dB slope with bandstop filter. E93 Convertible 2005 - 2011 Front door & underseat.