Jan-2021 update: Please notice, the power cable for EVO models have changed, thus, the wire-diagram need to change accordingly.
Below is the BMW android screen NEW installation manual for BMW EVO head unit
If your car is original BMW CCC, CIC, NBT system, the wire connection is different, please click here.
(2): Connect female connector to the back of radio head unit.
(3): Connect USB cable.
(6): Connect 4G LTE antenna for Qualcomm model (PX6 model without it).
(7): Install the GPS antenna (DO NOT use GPS antenna splitter), read more
it using OEM Bluetooth, don't need to connect it.
(9): TV/DVR (dash CAM) is optional for installation.
Why change the power harness for EVO android models.
The old power harness is easier to install it, since it transfer the audio on the back of radio head unit. But some EVO cars with special USB cable, the old power harness can not compatible with it, the screen keep flashing and without audio in speakers. To resolve this problem, it need to cut the USB and connect it again, and update the firmware, this is big trouble for new installer.
That is why to design a new harness and make it will compatible with different EVO car types, the sound quality same as the old harness, the difference is, it need to distribute the USB to the armrest box.
More information on installation guide.
The install manual above let you have a general idea for the installation. For some steps, if you not so clear of it, Please click here to read more details.