Hehe.
The diagrams came out a bit bigger than I was expecting....
I installed a Blaupunkt THA275 in my previous beemer. Although it did have line level inputs, as far as I recall, the wiring loom that connected it to the car just took the standard dash HU speaker outputs for its input. (Hence my attempted diagram).
I don't think the standard head unit has line level outputs, or does it?
(PS. the THA is available for sale with a loom).
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F30 Estoril Blue 335D MSport.
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