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Old 11-12-2009, 04:57 AM   #51
sna77
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Join Date: Jan 2005
Location: MA
Posts: 7,704
My Ride: BMW
Quote:
Originally Posted by soulchild View Post
I'm interested in this USA spec but there are 2 versions... what is the DSP-style radio?
Quote:
Originally Posted by steve.325i View Post
If you have a DSP radio in your car, then you will need the DSP version of the PA12-BMW

I just have the standard Business CD radio so I installed the standard version.
DSP = Digital Sound Processing. An option on the 5 & 7. Never on any e46 3, so no need to worry about it...
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