2026 BMW X5 Problems

I was driving at 70 mph on the highway when the car suddenly and without warning went into neutral, lost all functionality, and displayed the warning "Drivetrain Malfunction--Stop Driving Immediately--Call Roadside Assistance." I had to drift (barely) to side of a busy highway and exit the vehicle to get to safety. The dealer review of fault codes include: High-voltage system: No voltage established; No communication possible with: Accumulator-management electronics; SME: Software action required; Function: Acceleration not possible; Function: It is not possible to establish the drive-ready state; Drive function: Repair measure will soon be necessary. This happened on XXX around noon on XXX in [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

My 2026 BMW X5 xDrive50e experienced a serious freeway safety event involving loss of braking/brake power, loss of vehicle power/functionality, and multiple vehicle warnings/errors. The incident occurred while I was driving on the freeway and substantially affected my ability to safely operate the vehicle. BMW Emergency Services subsequently towed the vehicle to Irvine BMW on 07/09/2026. Irvine BMW later attributed the event to Emergency Stop Assist (ESA) and the Driver Monitoring System (DMS), rather than identifying a mechanical brake failure. Its written explanation states that ESA can take over vehicle guidance and decelerate the vehicle using multiple short braking jolts. The dealership reported a stored DMS fault but stated that it could not duplicate my reported condition. I have not been provided evidence that the original freeway event was reproduced or that its cause was conclusively established. Irvine BMW initially represented that material covering the display was an aftermarket screen protector and stated that BMW Technical required its removal because it could interfere with the DMS camera. On 07/27/2026, the General Manager apologized and confirmed that the material was actually original BMW transportation protection film. The dealership also proposed reducing ESA sensitivity as an alternative. I remain concerned that the combination of loss of braking/brake power, loss of vehicle power/functionality, and the reported ESA/DMS behavior may represent a serious safety defect or malfunction affecting braking, vehicle control, or driver-monitoring systems. I kindly request that NHTSA review this reported safety event, including ESA, DMS, related vehicle-control systems, and the interaction with the display/driver-monitoring system, and determine whether further investigation is warranted. I can provide dealership records, BMW App data, communications, and diagnostic documents.

Car braked without warning while going around a curve and came to a complete stop in the middle of the road with no good reason. Traffic going the opposite direction was heavy but no hazards on my side of the road. Cars behind me had to swerve and I was nearly rear ended and could have resulted in very serious injury.

Driving on highway using assisted driving pro (hands off steering wheel and feet off pedals). Speed set for 65 or 67. Driver's phone call came up on display screen. Passenger answered and hung up on screen. Driver did not touch wheel. Car started accelerating. Reached 93 mph before realized what was happening and able to apply brakes. Short time later tried to reengage speed and verbally requested increase to 65 or 67. Car set cruise control to 110. Both passengers heard 65 or 67, definitely not 110. Applied brake and didn't use any driver assistance controls for remainder of trip. Nice weather, no glare, light traffic. Software update was installed the day before. BMW dealership found no problem. National BMW consumer line suggested setting speed manually with buttons on steering wheel instead of verbally.

My 2026 BMW X5 xDrive50e experienced a serious freeway safety event involving loss of braking/brake power, loss of vehicle power/functionality, and multiple vehicle warnings/errors. The incident occurred while I was driving on the freeway and substantially affected my ability to safely operate the vehicle. BMW Emergency Services subsequently towed the vehicle to Irvine BMW on 07/09/2026. Irvine BMW later attributed the event to Emergency Stop Assist (ESA) and the Driver Monitoring System (DMS), rather than identifying a mechanical brake failure. Its written explanation states that ESA can take over vehicle guidance and decelerate the vehicle using multiple short braking jolts. The dealership reported a stored DMS fault but stated that it could not duplicate my reported condition. I have not been provided evidence that the original freeway event was reproduced or that its cause was conclusively established. Irvine BMW initially represented that material covering the display was an aftermarket screen protector and stated that BMW Technical required its removal because it could interfere with the DMS camera. On 07/27/2026, the General Manager apologized and confirmed that the material was actually original BMW transportation protection film. The dealership also proposed reducing ESA sensitivity as an alternative. I remain concerned that the combination of loss of braking/brake power, loss of vehicle power/functionality, and the reported ESA/DMS behavior may represent a serious safety defect or malfunction affecting braking, vehicle control, or driver-monitoring systems. I kindly request that NHTSA review this reported safety event, including ESA, DMS, related vehicle-control systems, and the interaction with the display/driver-monitoring system, and determine whether further investigation is warranted. I can provide dealership records, BMW App data, communications, and diagnostic documents.

On July 6, 2026, while my brand-new vehicle (purchased June 10, 2026) was stationary and preconditioning, the high-voltage drivetrain and climate control networks suffered a catastrophic synchronization failure. The vehicle’s internal communication bus network completely crashed, causing the SME (Battery Management System) and IHKA (Climate Control) modules to stop communicating. This software/hardware network dropout left the high-voltage electric AC compressor running entirely unmonitored. As a direct result of this uncontrolled loop, the undercarriage of the vehicle physically froze into solid blocks of ice, fluid rapidly dumped onto the pavement, the Malfunction Indicator Light illuminated, and the battery management system triggered an emergency hard-fault safety lockout. This digital lockout instantly stripped away 75% of the high-voltage battery's usable range, dropping it from 38 miles to 9 miles in a single millisecond to prevent a catastrophic thermal event. During this component failure, the high-voltage compressor was audibly grinding and suffering heavy mechanical strain due to liquid refrigerant slugging. This presents an extreme, unreasonable public safety risk. A sudden high-voltage network crash and sudden loss of 75% of battery range while driving on a highway would result in an instantaneous, uncommanded drop in vehicle propulsion, placing passengers at risk of a severe rear-end collision. Furthermore, the complete loss of climate module communication controls the battery pack's thermal management/chiller plate; an unmonitored thermal loop on a lithium-ion hybrid battery is a distinct fire hazard. This is a documented, recurring issue affecting the BMW X5 xDrive50e platform, and a federal safety investigation/recall is required before an owner suffers an accident or thermal fire.

The trim on the back of the exhaust is a rough manufactured cut on all their X5s and instead of filing the rough the edge BMW leaves this untouched. Was washing my car and ran my finger over the trim and it sliced my finger open like a razor blade.

The driver’s door lock has malfunctioned for the second time. The door became stuck in the locked position and could not be opened normally. There were no warning lights or messages indicating a problem with the door latch or lock system. This creates a serious safety hazard because the driver could be unable to exit the vehicle during an emergency. The right rear passenger seat belt also does not retract properly and cannot be used. The vehicle has previously been taken to a BMW dealership for this same issue, but the problem has returned. Because the seat belt cannot be used, a rear passenger cannot be properly restrained, creating a significant safety risk in the event of a crash.

Component: Engine / Fuel/Propulsion System / Engine Cooling Vehicle Odometer at Failure: 463 Miles Date of Incident: September 8, 2026 Description of Safety Hazard: While driving a brand-new 2026 BMW X5 with only 463 total miles on the odometer (purchased on July 30, 2026), the vehicle suffered a sudden and catastrophic manufacturing failure of the oil filter housing unit. This failure caused an immediate, severe loss of over a quart of volatile, hot engine oil, which completely leaked out and stained my personal driveway. A rapid loss of engine oil at highway speeds presents an extreme safety hazard, including a high risk of catastrophic metal-on-metal engine seizure, sudden loss of vehicle propulsion in traffic, and a severe risk of under-hood vehicle fire due to pressurized engine oil leaking onto hot exhaust and engine components. This vehicle is part of a known, systemic manufacturing defect currently subject to active federal class-action design litigation against BMW of North America. The manufacturer has provided a credit due to the severity, but the dealership has failed to execute a safe and equitable vehicle replacement.

I was driving at 70 mph on the highway when the car suddenly and without warning went into neutral, lost all functionality, and displayed the warning "Drivetrain Malfunction--Stop Driving Immediately--Call Roadside Assistance." I had to drift (barely) to side of a busy highway and exit the vehicle to get to safety. The dealer review of fault codes include: High-voltage system: No voltage established; No communication possible with: Accumulator-management electronics; SME: Software action required; Function: Acceleration not possible; Function: It is not possible to establish the drive-ready state; Drive function: Repair measure will soon be necessary. This happened on XXX around noon on XXX in [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The driver’s door lock has malfunctioned for the second time. The door became stuck in the locked position and could not be opened normally. There were no warning lights or messages indicating a problem with the door latch or lock system. This creates a serious safety hazard because the driver could be unable to exit the vehicle during an emergency. The right rear passenger seat belt also does not retract properly and cannot be used. The vehicle has previously been taken to a BMW dealership for this same issue, but the problem has returned. Because the seat belt cannot be used, a rear passenger cannot be properly restrained, creating a significant safety risk in the event of a crash.

2026 BMW X5 plug-in hybrid. Driver front and rear-left doors unexpectedly opened/unlatched while driving at freeway speeds. No dashboard warning before event. Problem has occurred multiple times. Vehicle presents serious occupant safety hazard. Dealer has not permanently resolved issue. 2 times dropped off at dealer but issues still there . Happened multiple times in the first monh after we bought the car , brought to dealer no resolved ,

On [XXX] as I was driving on [XXX] in Fl and got in to some traffic I noticed the car was shuddering a bit when I braked and I could here metal against metal coming from the brakes. I called SIXT 800 number and spoke to a Gentleman at their call center in Asia. He asked me why I needed brakes . I was shocked at his response , needless to say. He told me he reported it and I needed to return the car in Miami at the airport . I spent the night in Jupiter as it was around 5 pm. The next day [XXX] I drove the car to the MIA Airport where it was exchanged for a new car. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

My 2026 BMW X5 xDrive50e experienced a serious freeway safety event involving loss of braking/brake power, loss of vehicle power/functionality, and multiple vehicle warnings/errors. The incident occurred while I was driving on the freeway and substantially affected my ability to safely operate the vehicle. BMW Emergency Services subsequently towed the vehicle to Irvine BMW on 07/09/2026. Irvine BMW later attributed the event to Emergency Stop Assist (ESA) and the Driver Monitoring System (DMS), rather than identifying a mechanical brake failure. Its written explanation states that ESA can take over vehicle guidance and decelerate the vehicle using multiple short braking jolts. The dealership reported a stored DMS fault but stated that it could not duplicate my reported condition. I have not been provided evidence that the original freeway event was reproduced or that its cause was conclusively established. Irvine BMW initially represented that material covering the display was an aftermarket screen protector and stated that BMW Technical required its removal because it could interfere with the DMS camera. On 07/27/2026, the General Manager apologized and confirmed that the material was actually original BMW transportation protection film. The dealership also proposed reducing ESA sensitivity as an alternative. I remain concerned that the combination of loss of braking/brake power, loss of vehicle power/functionality, and the reported ESA/DMS behavior may represent a serious safety defect or malfunction affecting braking, vehicle control, or driver-monitoring systems. I kindly request that NHTSA review this reported safety event, including ESA, DMS, related vehicle-control systems, and the interaction with the display/driver-monitoring system, and determine whether further investigation is warranted. I can provide dealership records, BMW App data, communications, and diagnostic documents.

I was driving at 70 mph on the highway when the car suddenly and without warning went into neutral, lost all functionality, and displayed the warning "Drivetrain Malfunction--Stop Driving Immediately--Call Roadside Assistance." I had to drift (barely) to side of a busy highway and exit the vehicle to get to safety. The dealer review of fault codes include: High-voltage system: No voltage established; No communication possible with: Accumulator-management electronics; SME: Software action required; Function: Acceleration not possible; Function: It is not possible to establish the drive-ready state; Drive function: Repair measure will soon be necessary. This happened on XXX around noon on XXX in [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The driver’s door lock has malfunctioned for the second time. The door became stuck in the locked position and could not be opened normally. There were no warning lights or messages indicating a problem with the door latch or lock system. This creates a serious safety hazard because the driver could be unable to exit the vehicle during an emergency. The right rear passenger seat belt also does not retract properly and cannot be used. The vehicle has previously been taken to a BMW dealership for this same issue, but the problem has returned. Because the seat belt cannot be used, a rear passenger cannot be properly restrained, creating a significant safety risk in the event of a crash.