'I’ve put the update manager on my google drive for you guys to try, it might work and if not at least you’ve got it pre installed to use when BMW sort it out.
Here’s the link:
https://drive.google.com/file/d/1f4H...ew?usp=sharing'
Thanks for trying teaston but as with my original copy of DM it recognises the car but is 'greyed out' and reports 'map update not possible' when clicked.