Thread: Use a USASpec PA-12bmw dsp to connect aftermarket HU??
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Old 02-04-2013, 03:51 PM
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Quote:
Originally Posted by 70-k5 View Post

Either of you ever come across a pin out for the speakers? I'd like to use existing wires if possible for now.
from HU to amp, or amp to speakers?

I have my 540 torn apart and speaker wires marked if that what you are asking for. I assume the e39 and e53 dsp system is the same correct?
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