Quote:
Originally Posted by oldwiz
I have a 2014 BMW F10 550iX. Really love the car but unfortunately the sound system is the HiFi version (option S676A). Would like to upgrade to the TopHifi Harman Kardon system. Can you supply some more details about running the fiber optic cable from the amp to the head unit. For example does the cable plug into the amp and also into the back of the head unit? I see there are OEM BMW fiber optic cables available for about $40 from several suppliers. Thanks.
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All you need to to do is run 2 fiber optic cables all the way to the head unit or hud.