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Retrofit HU with BT and USB - help needed

1K views 0 replies 1 participant last post by  tihimiran 
#1 ·
Hello!

LCD on my 120d 2009 year is bad and USB retrofit is expensiv so I decided to change HU with one with USB and BT built in. I ordered it from aliexpres and delivery was in 5 days. I decidet that I don't need BMW assist and TCU in my trunk.
I also ordered and USB facra cable.
When I put HU in for the first time I can see USB option in audio menu and BT. Restarting HU with SG_CODIEREN I changed it from stereo to HI-FI somehow, so my Gongs and PDC are good now. But I lost USB and BT and I dont knew how to get it back.
I try with sg_codieren, SG-reset but I allways get error COAPI 2020
I changed the VO (add$6FL, removed $612,) changed date (0309 - 0311) and nothing helps.
VIN is PZ19719
What to do?
 
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