I found this thread on the bmw forum how Bluetooth phone and voice controls were added to an earlier system. It’s a similar set up to upgrading the R75 / MGZT system.
See ……
Bimmerforums – The Ultimate BMW Forum
information, tech, specs, news and reviews for the MG ZT and Rover 75 classic cars including repairs, servicing, upgrades and the diy modifications on my own MGZT. I am no expert on these cars just a keen enthusiast ….. and I hope this collection of posts will be of interest to others with a similar interest
