2019 BMW X3 Complaints

Despite replacing the water pump, coolant expansion tank, hoses, and other related cooling system components, and fully refilling and bleeding the coolant, the issue persisted. Even after these repairs, the engine continued to overheat and show coolant level fluctuations, indicating an underlying problem likely pressure buildup or head gasket failure that was not resolved by replacing standard cooling parts. Dealership has identified further problems and seem like a costly repair that I won’t be able to do out of pocket. BMW needs to address this issue immediately, engine stuttering and loss of sudden power on the high way is not safe!

2019 BMW X3 - Coolant warning has been going on for the last 6 months and I was refilling coolant every time it went off. I even had the car serviced and they refilled the coolant. Then I was driving the car the engine is overheating warning came on I pulled over. It cooled down. Car was fine but said it needed coolant. I added coolant and noticed it was leaking from multiple spots underneath the car. I had the car towed to a certified BMW mechanic. They did a diagnostic test and inspection and I was told the exhilarator water pump, coolant hose, coolant return line and oil filter house among a list of other things need to be replaced. The repair is estimated at $4700.00

My 2019 x3 model has been leaking coolant from multiple places. I have already needed to replace the water pump at my mechanic and now there's an additional coolant leak and the radiator and radiator hoses are affected and may need replacement. My dealer has not reported this issue yet and no recall has been declared for my type of vehicle, but I cannot afford to fix this issue out of pocket and it's a manufacturer issue when making these materials for the car, no fault of the driver. This has now become an issue where my car is constantly leaking coolant and causing potential engine damage.

Turbo coolant lines/ Oil filter housing failed I am reporting failure of the oil filter housing and turbo coolant lines on my 2019 BMW X3. These parts are leaking coolant due to defective plastic components and sealing surfaces, which causes sudden coolant loss and overheating risk while driving. This is a widespread issue affecting many BMW owners and has been documented in forums, service centers, and BMW technical bulletins. The failure poses a safety hazard, including potential engine failure at highway speeds, loss of power, and risk of breakdown or accident. BMW has not issued a recall or warranty extension, and consumers are being forced to pay out of pocket over $3,000 for what appears to be a systemic design flaw in the cooling system.

Subject: Rear Differential Mount Failure and Driveshaft Breakage — Sudden Loss of Vehicle Control at Highway Speed Complaint Summary: While driving at highway speed, I experienced a sudden and extremely loud bang from the rear of the vehicle. Immediately afterward, I lost complete control of the rear end, accompanied by violent clanking and grinding noises from the driveline area. The gearbox then stalled, leaving the vehicle disabled in the middle of the highway. Upon inspection, it was determined that a rear differential mounting bolt had sheared, causing the differential to shift violently out of position. This sudden movement resulted in the driveshaft breaking, which further destabilized the vehicle and led to a severe and immediate loss of control. This failure occurred without warning and created an extremely dangerous situation. The sudden loss of drivetrain integrity at highway speed placed both myself and nearby motorists at serious risk of a crash. A component as critical as a differential mount or driveshaft should not fail under normal operating conditions. This incident strongly indicates a serious design or manufacturing defect affecting the vehicle’s powertrain and structural safety. Requested Action: I urge the NHTSA to investigate rear differential mounting and driveshaft failures on this vehicle model. Such failures can lead to catastrophic loss of control, and immediate attention is necessary to prevent future incidents and ensure driver safety.

The radiator hose system has now failed twice due to faulty hoses and connections.

The contact owns a 2019 BMW X3. The contact stated that while driving at an undisclosed speed, the instrument was flickering on and off. The contact stated that the failure was persistent. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was made aware of the failure but provided no assistance. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 60,000.

The contact owns a 2019 BMW X3. The contact stated that while driving at an undisclosed speed, the instrument panel was flickering on and off. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was made aware of the failure but provided no assistance. The contact was referred to the NHTSA Hotline to report the failure. The failure mileage was approximately 80,000.

1- Passenger Restraint System Malfunction error codes- related to wiring or front passenger seat- long timeframe and expense to diagnose 2- Engine mounts broken Oct 2023 and again Aug 2025- known issue by BMW service- high repair cost & repeat failure 3- Front crash assist will brake for shadows caused by trees or adjacent trucks and has nearly caused accidents

Today, I placed my backpack containing my 2019 BMW X3 key fob in the back seat, closed the door, and proceeded to open the driver’s door as usual. Immediately, the car locked itself with the key fob still inside. This is a failure of the anti-lockout safety system. The vehicle’s Comfort Access/keyless entry system is designed to prevent the doors from locking when the key is inside, and it should never lock itself under these circumstances. This malfunction creates a serious safety risk, as occupants or pets could become trapped inside the vehicle. I am submitting this complaint to notify NHTSA of a potential safety defect in the BMW anti-lockout / Comfort Access system. I request an investigation to determine if this defect affects other vehicles of the same model and year.