I’ll just leave an update as to the position currently (TFT version 022_007_020, iPhone 13 Pro iOS 15.1). BMW are reluctant to update the TFT currently as it appears they have issue. Mine was to be updated to 022_007_500 but damaged something in the SOS system so had to have a part replaced. (Not in stock in UK but now fitted after a few weeks). Still no TFT software update. My experience. Phone and media generally connect well and work most of the time. Phone is still the worst quality. Music (via Spotify) is fine. The connection has been moved to the end of the TFT boot sequence which means you often have to wait a full minute before the system connects to phone and lid. In reference to the OP issue of contacts. There is a limit of (I think) 1,500 contacts and also a limit on tracks and playlists (but as only Apple Music displays track and play lists it doesn’t apply to other music providers)
I have been pestering the app developers and they assure me (they’ve done that since v 13.2 of iOS when the issue started) that there is a major update to the software if the TFT due in Feb/Mar 2022 to address these issues (and finished with a very Germanic “please be patient”).
In short. The phone/media is now 90% (doesn’t use the app at all). The navigation (In the TFT) is still very broken (on certain iPhones/configs) due to the way Apple iOS manages Bluetooth connections
Watch this space
NOTE: If you have issues with contacts, general connections, etc try resetting the TFT (Settings>Reset) and restore all the pairings (you may fine the bleep on alarm (if you have one) will need resetting and possibly some units (psi, bar,etc) but that will often fix the OPs issue. When you get skilled at it the whole reset, delete pairings, re-pair takes a few minutes and often helps
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