2021 BMW X3 M problems

“On start up the entire digital display panel fails to load and is dark including the speedometer and heads up display. This lasts anywhere from ten to twenty minutes and then randomly comes back on. In addition to no speedometer there are alarms going off that you can not see or clear out. Not knowing the speed of the vehicle or what the alarms are is a danger to the driver and others. We took the vehicle to the Rowe BMW in Westbrook Maine and Ayers European Auto in Gardiner. Rowe upgraded the software and that did not fix it. They both think the car needs a new display cluster panel.”

“My 2021 BMW X3 xDrive30i failed a Georgia emissions inspection on September 24, 2026, at 79,419 miles due to an MIL commanded failure. Codes P05B1 and P05AF were identified. On October 27, 2026, Nalley Collision Center performed BMW ISTA diagnostics and documented faults affecting both radiator active air flap assemblies: 138219 (lower radiator blind position sensor malfunction) and 138220 (upper radiator blind electrical fault). The affected component is the active grille shutter/radiator air flap system, including associated electrical components and position sensors. This system regulates airflow through the radiator and engine compartment. The malfunction has resulted in an emissions inspection failure and may affect airflow management and engine cooling. Actual cooling impairment has not been established. The malfunction was confirmed through BMW ISTA testing at Nalley Collision Center and supported by Georgia emissions inspection results. The vehicle and supporting documentation are available for inspection upon request. Similar active grille shutter and radiator air flap malfunctions have been reported by BMW owners across multiple model years through…”

“The sunroof glass spontaneously shattered while the vehicle was in motion. There were no weather events, debris, or damage to the sunroof prior to the incident. The panoramic moonroof behind the sunroof remained intact.”

“The contact owns a 2021 BMW X3. The contact stated that while reversing, the vehicle lost motive power. The check engine warning light was illuminated. The vehicle had decelerated and was jerking abnormally. There was an abnormal flickering sound coming from the vehicle. The vehicle was taken to an independent mechanic who retrieved codes related to computer failure. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 101,000.”

“Vehicle is experiencing critical mounting component failure very early on. Vehicle has under 50k miles but the engine mounts and thrush rod bushings are failing, putting the car at risk when driving or starting. It has been inspected by the dealership and the manufacturer has confirmed that the issue exists.”

“The contact owned a 2021 BMW X3. The contact stated that while driving 25 MPH, the vehicle in front suddenly stopped, and the contact moved over to the left lane and into the grass due to incoming traffic. The vehicle was 50 to 100 feet from a tree, and the vehicle crashed. The contact stated that the braking system and Forward Collision Avoidance failed to operate as designed. The driver's left arm was fractured. Medical attention was provided. The driver’s arm was still in a cast. The vehicle was deemed a total loss by the bank. The driver test drove a 2024 and 2025 BMW X5, and the Forward Collision Avoidance feature failed to operate as needed. The vehicle was towed. There was smoke coming from the driver’s side front of the vehicle. The air bags deployed, and there was smoke coming from the air bags. BMW customer service was contacted, but no assistance was provided. The failure mileage was 74,000.”