sorry for the delay this was the guide I used
https://www.newtis.info/tisv2/a/en/i...cic/1VnXsqBsEC
£80 is pretty good. in terms of integration if you get your installer to install the community software via a usb stick (3rd sticky post here
https://f30.bimmerpost.com/forums/sh....php?t=1675929) where you get the v2.0.B0.mod and v2.0.B0.mod files. the reason to do this is that once you flash the update you have the option to continue using the original BMW bluetooth for calls, or you can route them via the CarPlay box (or both)