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Old 01-17-2013, 10:25 AM
ottonavigps ottonavigps is offline
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Join Date: Dec 2011
Posts: 95
Mein Auto: 03 325 BMW E46
Originally Posted by 2002M3 View Post
A lot of these units tell you that they will not work if you have the premium sound system in your vehicle.

I have premium sound (Harmon Kardon) and navigation....will this unit work in my car?

If not...what will?
You will actually need a fahkra harness since you have factory navigation...

Premium sound refers to DSP...

Harmon Kardon wil work with unit
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