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Old 01-21-2013, 04:20 AM
mjposner mjposner is offline
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Location: West Palm Beach
Join Date: Dec 2006
Posts: 167
Mein Auto: BMW M
Upgrade base sound to premium

has anyone upgraded the base system to the Logic 7 more speaker usb plug system? I assume new amp, speakers in the rear, and cables plus programming.

I was quoted $850 locally to install the denison 500, plus 1 hour dealer programming just to add usb access.
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