Successfully coded to get enhanced bluetooth using this lead:
https://www.ebay.co.uk/itm/BMW-USB-K...72.m2749.l2649
However the USB will still not connect with any of my current or old iPhones. Not sure if I missed something out.
I used NCS Expert and coded the following:
MEDIA
> A2DP_AVRCP_EIN_AUS to aktiv
CIC
> CDMM_BLUETOOTH_AUDIO to aktiv
> A2DP_PROFILE to aktiv
> AUDIO_PLAYER_ON_OFF to aktiv
> BT_MODUL_ON_OFF to aktiv