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      08-04-2019, 05:15 PM   #22
koanga
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Drives: F10 & F15
Join Date: Mar 2013
Location: USA

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Quote:
Originally Posted by koanga View Post
Quote:
Originally Posted by oldwiz View Post
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.
All you need to to do is run 2 fiber optic cables all the way to the head unit or hud.
At the head unit you'll see the arrows pointing for the fiber (in & out). Take the out fiber from the main unit socket and plug the fiber that goes to "in" into the amp. The fiber that your just disconnect from the main unit, pair/bond with the "in" that's coming from the amp (the other one.
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