View Single Post
      01-10-2013, 01:19 AM   #7
VP Electricity
BimmerPost Supporting Vendor

VP Electricity's Avatar
Drives: E91 XDrive
Join Date: Jan 2008
Location: portland oregon

Posts: 3,177
iTrader: (3)

Great question. Until I used the parametric eq and time correction in the Alpine to tune it for the car, I heard no difference between it and a stock head unit. Customer only did it for nav, not for SQ.
Musicar Northwest, Portland Oregon
The premier experts on BMW high-performance audio
Home of Tom Miller, 2014 Installer of the Year
Named a Top 12 Retailer in North America (please email, don't PM)

VP Electricity is offline   United_States
Reply With Quote