Test Drive Scotland on YouTube fitted a PCM4 to a Macan and a 981 Boxster. One requirement was the Macan / Boxster hade base audios (I.e. did not have BOSE) as the MOST protocol in the PCM 4 IS MOST150 IIRC, vs MOST25 in the PCM3.1 bose amps as the
Great answer - thank you. Mine would have to be done by an OPC as I am still under the Porsche extended warranty - so I will ask the question. Probably cost prohibitive knowing the OPC.
