I was trying to park my car on March 11, 2023 at noon, and I noticed a sudden uncontrolled acceleration even when my foot was off the accelerator pedal. Parking collision front sensors failed to provide an early warning, and automatic emergency brake did not engage leading to a minor collision with the vehicle parked in front. The situation occurred so rapidly that I did not have enough time to react quickly and apply brakes. I managed to apply brakes to avoid a serious incident, but it was not quick enough to even avoid this minor collision. I have reported this to BMW USA, however the car has not been inspected by a dealer or an independent service center after the incident. There were no warnings displayed prior to this incident, however I have had consistent issues pertaining to the operation of front sensors. I had BMW certified dealer inspect front sensors, and according to them the sensors do not provide an early warning as per the design but they have adjusted the sensitivity. The adjustment did not improve the situation, and I provided that feedback to the service center as well. The sensors did fail at twice prior to this incident, and the dealer inspected that as part of sensor sensitivity adjustment. I drove this vehicle to the BMW certified dealer more than twice to have the front sensors and other things inspected prior to this incident. Nevertheless, this uncontrolled acceleration is something that I have never experienced before, and I am traumatized to eve