2025 BMW X1 Engine Problems

Today is 1/21/26. My car has had problems since 12/4/25 when I started getting drivetrain warning lights. After "call roadside assistance" prompts, it will start, but a drivetrain fault appears on the dash. Many faults have appeared at the dealer and I have it in writing that there is nothing more they can do. They escalated the issue to BMW with no resolution, to date. I have requested a buy-back and they no longer return my calls. In terms of safety, I'm not sure what could happen if the drivetrain fault light is on. On three separate occasions, it told me that the car was in danger of rolling over when I was on a flat surface. Another time, the car wouldn't go over 30 mph. This didn't feel safe! The dealer has reloaded software many times. Once they said I could pick it up and when I started it...