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igorbmwx6 · 08-15-2013, 03:57 PM

Replace your factory speakers with Hertz and/or Focal. Replace your two under-front-seat sub-woofers (8") with WSW-8 Earthquake subs. Replace your hi-fi oem amplifier with individual M oem amplifier. You will then appreciate sound in your BMW

08-15-2013, 03:57 PM	#10
igorbmwx6 Lieutenant 162 Rep 508 Posts Drives: 2016 BMW 328i F30 Join Date: Jan 2012 Location: San Carlos, CA iTrader: (0) Garage List 2016 BMW 328i F30 [0.00] 2011 BMW X6M [0.00] 2011 BMW 335i [0.00] 2009 BMW X6 E71 xDr ... [9.00]	Replace your factory speakers with Hertz and/or Focal. Replace your two under-front-seat sub-woofers (8") with WSW-8 Earthquake subs. Replace your hi-fi oem amplifier with individual M oem amplifier. You will then appreciate sound in your BMW
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