Is there anyone in the US that has actually used BMW assist in their Z4? I'm debating whether to start paying the yearly $200 for it, as my factory warranty expires soon. Is it worth it? I'd like to hear about US drivers' experiences with it. My thoughts: though I've never used it, the theft recovery feature and collision notification seem like good features, for less than $17/month. Towing to a nearby tire store is better than nothing, but carrying a spare and/ or Goop with an air compressor are better options.