This has started happening to me frequently with my 2018 M3P as well (running FSD beta).
Also receiving a large number of false collision warnings, from pedestrians that are clearly on a sidewalk well off of the road, as well as cars that are stopped in the lane adjacent to the one I'm driving in.
Also receiving a large number of false collision warnings, from pedestrians that are clearly on a sidewalk well off of the road, as well as cars that are stopped in the lane adjacent to the one I'm driving in.