2020 BMW X3 Fuel system Problems

“I am submitting this complaint regarding ongoing and potentially dangerous mechanical failures involving my vehicle that have repeatedly occurred despite numerous repair attempts by the dealership. Over the past year, I have taken my vehicle to the dealership more than 10 times for serious recurring issues. …”

“It has come to my attention that liquid from the Positive Crankcase Ventilation (PCV) system may leak onto the water pump electrical connector. This condition can lead to an electrical short circuit and, in rare cases, may increase the risk of a vehicle fire. This issue presents a serious safety concern for vehicle owners and others on the road. A failure of this nature, especially one that carries a fire risk, warrants immediate review and corrective action. I respectfully request that NHTSA investigate this matter and determine whether a safety recall is necessary to address this defect. …”

“1. Whenever I refill my tank the car will start knocking. It will be only for 1 or 2 sudden jerks. I have tried every grade and nearly all the brands of fuel but its still the same. Even I escalated the same issue when I had my car service done. But to no avail. It happens when I refuel the tank. Otherwise, no issue to my surprise. I Need to know if it’s a known issue? If yes then why no one reached out to me to provide solution for it? Its been years i have tried to escalate it but no resolution. 2. When i use turn signals (either left or right) it start skipping click sound. …”

“The contact owns a 2020 BMW X3. The contact stated that while driving 25 MPH, the message “Heat Management Module Malfunction” was displayed and the warning light was illuminated. The drive-train warning light was illuminated. Upon research, the contact became aware of NHTSA Campaign Number: 21V586000 (Fuel System, Diesel). The vehicle was previously taken to the dealer to be diagnosed, and the contact was informed that the high-pressure fuel pump needed to be replaced. The vehicle was repaired, but the failure reoccurred. …”

“Oil pump failures have been reported across multiple production years, and affected vehicle population boundaries remain unclear. Because this condition can result in sudden vehicle disablement without adequate warning especially in the cold, I believe this issue warrants investigation as a potential safety-related defect. Loss of lubrication can cause the vehicle to become disabled without warning while driving or shortly after startup. …”