Powertrain (other)
Filed Oct 26, 2026
The vehicle suffered a sudden, catastrophic structural drivetrain failure while operating at low speed (under 10 mph) on a flat, paved surface while exiting a youth soccer complex parking lot. There was no outside influence due to the road or contact with any curb or obstacle prior to the incident, which has been explicitly confirmed by an authorized BMW dealership inspection. While leaving the complex, a mechanical pop was heard from the rear of the vehicle. The rear axle bolt cleanly sheared in half, causing the axle shaft to pull completely out of the rear differential housing, instantly destroying the wheel bearing, axle seal, and related hardware. The vehicle immediately lost all motive propulsion and became completely disabled in a high-traffic pedestrian zone, creating an immediate safety hazard to surrounding motorists and pedestrians. Because this critical structural chassis fastener sheared under zero-impact, standard low-speed turning speeds, this represents a severe manufacturing defect and a critical safety risk that results in immediate loss of vehicle control.
- NHTSA ID
- 11773828
- Incident
- Oct 21, 2026
Powertrain (other)
Filed Sep 28, 2026
The X5 transfer case has a defect that causes the vehicle to shudder when in reverse and at lower speeds. It can be felt sometimes at highway speeds, but is worse at low speeds. Our X5 has only 54,000 miles.
- NHTSA ID
- 11767547
- Incident
- Aug 3, 2026
Powertrain (other)
Filed May 7, 2026
Noticed noise. Took to dealer. Dealer confirmed bad front pinion/bearing and need front differential. Will be very dangerous if not fixed! Dealer has had this issue before and online forums state big issues
- NHTSA ID
- 11736421
- Incident
- May 1, 2026
BrakesElectricalPowertrain (other)
Filed Mar 17, 2026
Drivetrain malfunction creating error message of critical failure on brake system and chassis. The first of 2 such issues so far in 4 months of ownership. Car is under original mfr warranty. Dealer charged $600 to fix. This is a PHEV and with the electrical system issues it prevents the car from functioning safely
- NHTSA ID
- 11724888
- Incident
- Jan 21, 2026
Powertrain (other)
Filed Mar 17, 2026
Drivetrain malfunction reoccurring 2x in 45 days. First error message the dealer charged me $600 to fix. Bringing car in second time now. Unsafe to drive due to power cutoff. This is a PHEV. Car is under the original mfr warranty and less than 3 years old.
- NHTSA ID
- 11724883
- Incident
- Mar 14, 2026
Powertrain (other)
Filed Jun 9, 2025
The contact owns a 2023 BMW X5. The contact stated that upon starting the vehicle, the contact noticed a fluid leak underneath the vehicle. The contact stated that upon driving from a complete stop, the vehicle failed to exceed 5 MPH. The check engine warning light and other unknown warning lights were illuminated. The messages " Drivetrain Malfunction" and "4-WD Component" and other unknown messages were displayed. The contact pulled over to the side of the road, turned off and restarted the vehicle, and the vehicle responded as needed. The contact stated that while driving 40-50 MPH, with her one-year-old daughter in a car seat in the rear of the vehicle, the vehicle suddenly lost motive power. The contact stated that the failure recurred several times while driving, causing the contact to pull over to the side of the road several times. The contact stated that there were significant safety concerns and did not feel safe driving the vehicle. The dealer was notified of the failure and informed the contact that the VIN was not included in NHTSA Campaign Number: 23V821000 (Power Train). The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure, but no assistance was provided. The contact was referred to the dealer for assistance. The failure mileage was approximately 50,900.
- NHTSA ID
- 11665727
- Incident
- Jun 7, 2025
- Mileage
- 50,900 mi
Powertrain (other)
Filed Apr 8, 2025
Two incidents I was driving the vehicle and the notification popped up saying drivetrain error at that moment the Car Detail and I was unable to go over 30 mph while driving in the fast lane on California highways 2/13/2025 3/30/2025
- NHTSA ID
- 11653446
- Incident
- Feb 13, 2025
EngineFuel systemPowertrain (other)
Filed Dec 27, 2022
I was accelerating from a green light in ELECTRIC only mode, once nearing 25 mph, felt a single strong jolt that caused acceleration to pause, the Hybrid mode automatically kicked in and acceleration continued under engine power. Received several warnings and alerts on the display- Stop Carefully: Power Supply Drivetrain Malfunction Continued Driving possible: Drivetrain Electric drive limited I was fortunate enough to continue driving the final 1/2 mile to my parking lot at work. After work, the engine started with the same errors as above and attempted to move, but the engine was making strange cycles of revving high and low. I called Roadside and as I idled waiting for a tow truck to arrive, the gas engine began revving high again, then low, then sputtered, then shut off and would not turn back on, leaving me in the cold. Fuel was about 1/2 tank, battery was at least 30%. Tow arrived and tried to restart to drive it up the tow ramp but the 12v battery ended up depleting in the process so it had to be winched. Jump box required to get it into Neutral.
- NHTSA ID
- 11499019
- Incident
- Dec 14, 2022
Powertrain (other)
Filed Dec 6, 2022
11/21~11/24: Transmission shift from D to N while driving and the vehicle lost power. system down and change to Charging Mode, which shows when power off. Need to push the start button couple of times to turn X5 on. These things happen 3 times. 11/28~12/2: BMW service tech updated software. I pick it up on 12/3 12/4: There was error message that "Four wheel drive limited" and engine stops and system changed to Charging Mode. I had to push the start button to turn it on.
- NHTSA ID
- 11496221
- Incident
- Nov 23, 2022
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.