[willisodhiambo]

Shawn, you are a trusted hand at this. I don't need any maps. The car is in Kenya and we do not have BMW maps here so navigation is useless.

Do you think my approach is right? Can it really be that the software used in Japan could be the issue causing the units to not tune to FM above 90mHz. Ill probably give it at go this weekend

Have you tried just coding HU_CIC => RADIO_COUNTRY = ECE and optionally HU_CIC => FM_DEEMPHASIS = 50us?

Yes. You get expanded FM BUT RADIO DOES NOT TUNE IN! Manual tuning goes over 90mHZ but radio tuner stops internally at 90mHZ. Strange!! And your lines look like F series coding lines. They are a little different in the E series but idea is the same

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Well.....this is the post I used to prepare my daten files!!

If you look carefully you notice it uses V41 datens which I think came before the E90LCI. Since I am not sure whether the LCI CIC from Japan is compatible with V41 I did not want to risk it. So I prepared my own files following this post but with 2017 ISTAP datens.

The idea of using V41 is because APPS is not locked to an FSC but if you need an FSC pack let me know, happy to help you.

Thanks. However I looked at V41 ZUSB in the history file for e90 and none of those exist so I don't want to take a risk with that version. I guess the datens in that cannot be used if they are not in the E90 LCI history file. Right?

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You can flash the cic to ece firmware after that code to ece default and you're done.
Did it once and the unit works flawless.

Exactly what I want to do. Was yours E90 LCI? Which ZUSB did you use? If I can establish that I will approach this more confidently with the knowledge that someone has tried it before and it worked.