The left hydraulic engine motor mount (P/N 22117581621) completely collapsed and failed at 6 years and only 24,811 miles. The right mount was also replaced at the same time (P/N 22117581622). The failure allows unsafe, excessive engine movement and shifting under rotational torque loads. This shifting creates an immediate safety hazard, risking the sudden compromise of surrounding mechanical systems, cooling lines, and electrical harnesses while the vehicle is in motion. BMW North America acknowledged the premature nature of the failure by approving a goodwill repair for the labor costs but forced me to pay out-of-pocket for the defective parts. The engine mount issue was detected when the vehicle went in for normal services and the known recall for the engine starter which had the potential to cause bodily harm as well as property harm due to fire risk, even when the engine was off.

Source: NHTSA complaint ODI #11758531 · view all complaints for this vehicle at nhtsa.gov

The contact owns a 2020 BMW 330i. The contact stated that upon starting the vehicle, the starter made an abnormal, grinding metal-like sound. The vehicle was taken to the dealer, who diagnosed that the starter had failed. The starter was replaced under NHTSA Campaign Number: 26V056000 (Electrical System); however, the vehicle failed to start one morning post-repair. The message "Engine Cannot Start" was displayed. The vehicle was towed back to the dealer, where it was diagnosed that the starter failure had caused damage to the battery. The dealer informed the contact that the battery needed to be replaced prior to the starter replacement. Additionally, the contact was informed that the transmission harness, signal wire, and ending harness had overheated and needed to be replaced. The manufacturer was made aware of the failures, and a case was opened. The failure mileage was approximately 110,897.

Source: NHTSA complaint ODI #11743497 · view all complaints for this vehicle at nhtsa.gov

On November 15th 2025, while driving at highway speed in my lane, the vehicle’s lane assist system applied a sudden and unexpected steering input. I did not command a lane change or steering correction. The steering input caused the vehicle to become unstable, rotate, and spin across the roadway, resulting in a collision with the highway barrier. Prior to the incident, the vehicle had repeatedly failed to install a BMW-issued lane assist software update despite multiple attempts following BMW’s published instructions. BMW dealership personnel were aware of the update failure. The lane assist system remained active and provided no warnings or limitations. Weather conditions changed rapidly due to a brief, unexpected ice storm lasting approximately ten minutes. The vehicle did not provide a warning, restriction, or automatic disengagement of the lane assist system under these conditions. The loss of control occurred immediately following an unexpected steering intervention by lane assist. The loss of control occurred immediately following the steering intervention.

Source: NHTSA complaint ODI #11713830 · view all complaints for this vehicle at nhtsa.gov

The contact owned a 2020 BMW 330i. The contact stated that while accelerating from a complete stop and making a left turn, another vehicle, trying to beat the light and driving 60 MPH, crashed into the driver's side of the vehicle. The contact was trapped because the front driver's side door failed to open. The air bags failed to deploy. The police officers delayed their arrival, and a police report was not filed. The contact was in shock. The contact drove to the residence and was able to exit the vehicle through the front passenger's side door. The contact sustained C8-T1 nerve injuries, spinal injuries, and underwent surgery, developed myelopathy, severe PTSD, severe whiplash, and the contact sustained right eye bruises after hitting her eye against the steering wheel. The T1 neck screw that was previously installed in the contact's neck had backed out due to the impact and was replaced. The contact was informed that she nearly sustained paralysis due to the crash impact. The vehicle was taken to an autobody repair shop, and the vehicle was totaled by the insurance company. The dealer was not contacted. The manufacturer was notified of the failure and sent an engineer who performed the vehicle inspection. The manufacturer later sent a letter to the contact, providing an engineering explanation for the air bag's failure to deploy. The failure mileage was approximately 6,500.

Source: NHTSA complaint ODI #11715850 · view all complaints for this vehicle at nhtsa.gov

Within days of purchasing the vehicle, multiple warning lights and safety-related alerts appeared, including repeated check engine warnings, an alert stating “Driver Assistance Support Reduced,” and a wrench indicator referencing an auto lighting and wiping system malfunction. While driving, the vehicle felt unstable and would sway side to side, making it difficult to maintain confident control. The vehicle was brought in for service shortly after purchase due to these concerns and was removed from my possession because of the seriousness of the issues. During the service process, I was informed that the vehicle had previously been involved in an accident and that a critical structural safety component (the front crash bar) was damaged. This damage had not been disclosed prior to purchase. The crash bar is a key part of the vehicle’s body structure designed to absorb impact and protect occupants in a collision. Driving a vehicle with damage to this component posed a potential safety risk. The combination of structural damage, reduced driver assistance alerts, visibility system warnings, and unstable handling raised concerns about crash protection, vehicle control, and overall safety. The issues were identified by the selling dealer during inspection after the vehicle was returned for service and are available for further inspection if requested.

Source: NHTSA complaint ODI #11706202 · view all complaints for this vehicle at nhtsa.gov