Quote:
Originally Posted by gugin
I don't think that's possible. The HiFi audio amplifier is connected to the headunit via analog cables. The HK amp is connected using proprietary digital interface, called MOST. I doubt that you have the MOST cable installed in the car if you don't have the 688 HK option. But I may be wrong. A car audio installation shop may know if the harness that connects the head unit to the amp in the back is standard for all X3s or depends on the type of audio system installed in the car at the factory.
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This is my connection vs HK
I didn't disconnected the cables but it looks the same if im right?