FITS THE FOLLOWING VEHICLES: 
BMW
1-Series: 2004 - Current
3-Series: 2005 - Current
4-Series: 2013 - Current
5-Series: 2004 - Current
6-Series: 2011 - Current
7-Series: 2008 - Current
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DIAMOND AUDIO VSP4BMW 
BMW® Specific 8” Subwoofers (PAIR)
GENERAL FEATURES:
VSP8BMW – BMW® Specific 8” Subwoofer
100W RMS/200W MAX Power Handling
High-Strength Stamped Steel Frame   
Glass Fiber Reinforced Cone
FEA Optimized High-Power Neodymium Motor Structure
Milled Voice Coil Cooling Vents With Polished Backplate
Separate Optimized Crossover Module
Klippel® Optimized Motor And Suspension Symmetry