Quote:
Originally Posted by Calamari
Hi ETan.
This different layout of output channels is probably the difference between MatchUP 7BMW and 7DSP unit.
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The UP channel assignments are fixed to the harness pin assignments:
-Channel A/B = Front speakers
-Channel C/D = Rear speakers
-Channel F/G = Woofers
-Channel E = Center
The UP 7BMW and the UP 7DSP are the same units, the difference is the 7BMW has its 12+ and ground connections in the same Molex 20-pin connector as its inputs and outputs, the 7DSP has its 12V and ground in a separate connector and not in the Molex. The 7BMW can also be powered by the 12V and ground in the separate connector.
If you got a 7BMW for your F30 HiFi and now you get a G20 HiFi then you can install the 7BMW in the G20 HiFi as long as you use the new G20 RAM harness and the 2ch add-on module.