Where is the optical fiber?

Some BMW car types with Optical fiber Amplifier, the sound work via optical fiber cable (from the factory radio head unit to speaker), please take a look the photo showed as below:

optical fiber cable in the factory harness


Why need to move the optical fiber to our power cable?

When install our andriod screen, you need to connect our power cable (female connector) to factory radio head unit (instead of factory power harness). If you don't move the optical fiber to our female connector, then the optical fiber will not work, it will no sound output.

the wire diagram for bmw f10 f11 navigation system


Below photo is female connector of our power cable, it will connect to factory radio head unit, it have 4 holes that is ready for optical fiber cable.

female connector that with holes for optical fiber

 

How to move the optical fiber to our power cable?

 Wire diagram

move the optical fiber to our power cable

 

Video demo