2018 BMW X3 M40i - after the car was washed in a car wash, the tailgate started opening and closing on its own. Would open all the way up, wait a few seconds then close all the way down and lock itself. It happened about 20 times until it stopped on its own. This started immediately after the car was parked in the garage. Did not happen while driving. The button on the remote control was not pressed at all. The tailgate would beep and flash the taillights when opening and closing.

- Clifton Park, NY, USA

Sunroof "exploded" while driving causing glass to fly everywhere.

- Chula Vista, NY, USA

The trunk opens randomly both while parked and moving. Sometimes while driving at low speeds. I often find the trunk open in the parking lot after locking it. Also, the alarm will go off while driving.

- Hopkinton, NH, USA

I was parking when I totally lost control of my car. I could not steer it and I could not break. I went left while I was attempting to brake but I had no brakes. I attempted to go straight and hit one parked car. Then I went right and damaged another car then the car hit a 3 car. Then the car stopped. I receive a BMW assist message regarding having an accident then the screen went dead. I was parking my car. Few weeks before I received the following message: Chassis stabilization problems. You can continue driving but take your car to the dealer ( something like that). I stopped the car and the message went away. Never came back. So I was planning to talk about it to the dealer when going for the next appointment. I was parking in a place I know very well, hispital parking.

- Santa Monica, CA, USA

The vehicle is equipped with blue tooth, thus it is supposed to be hand-free to handle smartphone call or text while driving. This blue tooth worked properly for previous years models, and even 2018 same model but with the option being slightly different than mine, such as, the one equipped with wireless phone charger. For my vehicle, it does not notify while blue tooth connected when new text comes. I complained to BMW North America. They admitted that it was a firmware bug, but did not commit to update firmware to fix the the bug. This bug could side track the driver if he tries to check the message while driving since he knows the text message notification in the vehicle is not working.

- Allentown, PA, USA

The blind spot detection does not work on the passenger side. When passing a vehicule that is in the right lane the detection light in the passenger mirror only comes on about 30-40 % of the time. Even when passing a large truck. This means you do not have knowledge of the location of a vehicule as it passes into your blind spot or when ample space in available to return to the right lane after passing. Also if a vehicule approaches from behind on your passenger side you are not aware it's in your bind spot. My dealer in charlottesville va. Stated that several more owners have complained about this but no fix is available. I called BMW usa and expressed my concern that some one was going to get hurt and if that had not already happened. "alex" said they would look into it but promised nothing. ( this is a costly option on the car and it does not work)

- Vesuvius, VA, USA

The vehicle was moving and when I tried to stop because the car in front of me stopped. My car had a brake failure and caused an accident. ABS and/or the collusion deterrent system engaged to avoid this accident.

- Buffalo Grove, IL, USA