The contact owns a 2023 BMW X7. The contact stated that after placing the vehicle in reverse with the back-up assist feature activated, the vehicle struck the other vehicle behind. The contact stated that the automatic brake assist feature failed to operate as designed, causing the vehicle to strike the rear tire of the other vehicle. There was no warning light illuminated. The contact depressed the brake pedal, and the vehicle was able to stop. There was no damage to the other vehicle. The dealer was contacted, and the contact was able to schedule an appointment. Additionally, the contact was concerned about water on the screen and a possible electrical fire after the vehicle had gone through the car wash. The manufacturer was contacted and stated that the vehicle needed to be diagnosed by an authorized dealer. The failure mileage was 200.