2015 BMW X3 Forward Collision Avoidance Warnings Problems

Earlier this year I was notified by BMW that as of Feb 2022 my car would lose all networking capability due to the phase out of 3G cell towers. The "ConnectedDrive" package would become inoperative, and importantly, would no longer be able to route my travel according to traffic. My heads-up display is currently very well integrated with the navigation system, adaptive cruise control, and safety warning systems. I consider these important safety features. BMW has offered no fix for this. I have suggested to them that simply permitting the driver to tether the navigation (by USB or bluetooth) to a cell phone would solve the problem, but they have refused. The nav system and the BMW cell phone app both prevent tethering, which otherwise is built into the BMW's Windows CE-based operating environment. I don't want to navigate using my phone, as it would be a 3rd display (the...