BMW X3 power steering loss problems

Filed Apr 21, 2026 · Engine, Lights · WA

I am filing a safety complaint regarding a catastrophic timing chain failure on my 2014 BMW X3 xDrive28i equipped with the N20 engine. While driving, the timing chain and oil pump drive chain failed without warning. This is a well-documented defect on BMW N20/N26 engines that has been the subject of extended warranties and numerous consumer complaints. This failure can cause sudden engine seizure, immediate loss of power steering and braking assist, and creates a serious risk of crash while the vehicle is in motion. BMW issued an Extended Limited Parts Warranty for this exact defect (timing chain and oil pump drive chain), acknowledging a manufacturing defect. However, BMW is refusing to cover my repair even though this is a known safety issue affecting thousands of vehicles. The vehicle had been properly maintained, and there were no warning signs before the failure. I purchased the vehicle in October 2021, and this defect occurred during normal use commuting to work. The cost of repair is extremely high due to the internal engine damage caused by the timing chain defect. This is not normal wear and tear. This is a known design/manufacturing defect that BMW has been aware of for years. Also, when I purchased this vehicle, the headlights, and taillights on the hatchback were not working. I had brought this up to the dealership they replaced the headlights, but did not address the tail lights. I am requesting that the federal safety agency investigate this defect further, and the tail lights as these failures create a significant safety hazard for drivers and other vehicles on the road.

Filed Jan 9, 2026 · Engine · ME

What component or system failed or malfunctioned, and is it available for inspection upon request? The variable displacement oil pump contains a plastic (Duoplex) internal adjusting ring/vane carrier that is known to become brittle and shatter. Status: While the pump has not yet suffered a total mechanical collapse, it is a documented inherent defect. The manufacturer (BMW) has already superseded this part (Original #11418646454 or ...453) with a reinforced metal version (Part #11419895359), admitting the original material was insufficient for the engine's lifespan. How was your safety or the safety of others put at risk? Risk: The failure mode is sudden and unpredictable. If the plastic ring shatters while driving, it can lead to an instantaneous loss of oil pressure, causing the engine to seize or stall at highway speeds. This creates an immediate risk of: Loss of power steering and braking assist in traffic. Potential rear-wheel lockup (in RWD/Manual configurations) leading to loss of vehicle control. Catastrophic engine failure in the middle of active traffic, requiring an emergency maneuver. Has the problem been reproduced or confirmed by a dealer or independent service center? Assessment: The existence of the defect is confirmed by BMW’s internal technical case PuMA Measure 65494813. Furthermore, the manufacturer released a software update (S18A-21-03-567) specifically to reduce oil pressure during cold starts to mitigate stress on this plastic component—a "band-aid" fix that acknowledges the hardware's fragility. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? Assessment: Not yet, as the vehicle is being operated under the assumption of a known safety defect. However, independent mechanics and BMW master technicians across the industry have verified that early B58TU builds (2018–2020) almost universally contain the defective plastic-internals pump.

Filed Dec 11, 2025 · Steering · IL

I purchased a new 2026 BMW X3 xDrive30 (VIN [XXX] ) on 10/10/2025 from Patrick BMW/MINI in Schaumburg, IL. At under 200 miles, the vehicle began pulling to one side without driver input. The issue recurred several weeks later. On 11/23/2025, the defect became severe. The steering wheel would not return to center, resisted turning, and the vehicle continued pulling sharply to one side. Multiple warnings appeared, including steering system malfunction, chassis stabilization, reduced driver assistance, collision-mitigation warnings, and a message stating the vehicle may roll. The vehicle became unsafe and undrivable. The car was towed to the dealership on 11/24/2025 and remains unrepaired. No confirmed diagnosis has been provided. I later learned BMW issued stop-delivery orders on 9/18/2025 and 10/31/2025 for steering-related defects affecting this model line. My vehicle was sold to me on 10/10/2025, between those dates. I am concerned the dealer may have delivered a vehicle that should not have been released and that my steering failure may be related to the issues described in those stop-delivery orders. This defect caused loss of steering control, instability, and failure of multiple safety systems, creating a serious crash risk. I request the federal safety agency investigate the steering defect, determine whether my vehicle is affected by the stop-delivery issues, and evaluate whether additional vehicles should be included in a recall. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Aug 27, 2025 · Brakes, Electrical · AL

When starting the vehicle, the message center displays "Loss Communications Brake System Control Module A." The vehicle losses power steering, speedometer indication, tire pressure monitoring, and stability control. There are numerous codes displayed for Brake System, Power Steering, Parking Brake and Stability Control. This is the third time that this event has happened. Turning the vehicle off and restarting after approximately 1 hour the codes were clear and everything appears to work properly. This event occurs randomly and resets after the vehicle is turned off and restarted after a period of approximately 1 hour. The loss of power steering and speed indication is a safety hazard. I have been driving this vehicle when the power steering and speedometer stopped working. The steering requires a lot more effort to turn and you do not know the current speed of the vehicle. The BMW dealer charged us the customer for a software update to fix this issue. We are not confident that the vehicle is fixed because this is a random event. I believe this should be a safety recall. There is a recall on BMW 2023 and 2024 models for the same issue. The recall does not include the 2022 model at this time. Codes displayed: U0129, U0418, P15C9, P15C8, P15B9, P15B8, P0507, P0610, P152B, P152A.

Filed Aug 25, 2025 · Transmission · NJ

I am submitting this report to highlight a serious safety defect involving premature timing chain failures in BMW vehicles. The case relates to a 2013 BMW X3, but the problem is widely documented across multiple BMW models from this production era. The timing chain is intended to last the lifetime of the engine. If it stretches, loosens, or fails, the engine can shut down immediately, causing sudden loss of power steering, power brakes, and overall control of the vehicle. This creates an extreme risk of accidents at highway speeds or in traffic. Unlike tires or brakes, this is not a normal wear component and should not fail under ordinary driving conditions. In this vehicle, the timing chain issue was identified at under 72,000 miles. A timing chain should last well over 400,000 miles under normal operation. The premature failure reflects a design flaw, not normal aging or maintenance. The vehicle had recently undergone major servicing at a BMW authorized dealer. At that time, the timing belt and other components were replaced at significant cost. The dealership did not disclose any timing chain concerns during that service. Only shortly afterward, during a recall-related visit, did they report that the timing chain required replacement, with a repair estimate of several thousand dollars. This matter was raised with BMW of North America, including a direct letter to its CEO. BMW acknowledged receipt but declined to take responsibility, treating the matter as outside warranty coverage rather than as a safety defect. The timing chain issue is widely reported, and BMW is aware of it. The sudden engine failure that can result from this defect presents a major safety hazard that warrants the federal safety agency’s attention.

Filed Nov 19, 2024 · Electrical · NV

The battery safety terminal deployed while I was driving down the mountain, causing unsafe conditions for myself and drivers around me. Car turned completely off and unable to turn it back on. Lost power steering and braking capabilities. No accidents or airbags were deployed to cause the battery safety teminal to deploy

Filed Nov 29, 2023 · Steering · FL

Electric Power Steering Failure. Available for inspection. SUDDEN LOSS OF POWER STEERING ASSISTANCE COULD INCREASE THE RISK OF A CRASH. Confirmed by BMW Dealer. Increased steering effort light came on when EPS fails. A CONTROL MODULE IN THE ELECTRIC POWER STEERING (EPS) UNIT MAY MALFUNCTION, RESULTING IN A SUDDEN LOSS OF POWER STEERING ASSISTANCE

Filed Aug 30, 2023 · Steering · TX

Both front end tie-rods had to be replaced at 28000 miles. They were making a loud popping noise when steering the vehicle on uneven pavement. The bushings on the tie-rods were worn out and could have failed at any time, resulting in a complete loss of steering control. The vehicle has not been in any accidents or received any damage to wheels and/or tires from hitting any curbs or potholes. In my opinion, this is a dangerous condition which warrants additional investigation. The repair / replacement was performed at the auto dealership where the vehicle was purchased new in April 2021.

Filed May 20, 2022 · Steering · 135,000 miles · ME

The contact owns a 2011 BMW X3. The contact stated that while driving at an undisclosed speed, the vehicle experienced a loss of power steering assist. The vehicle was taken to an independent mechanic who related the failure to the federal safety agency Campaign Number: 11V341000 (Steering) however, the VIN was not included in the recall. The vehicle was not repaired. The manufacturer was made aware of the failure and informed the contact that there was no recall associated with the VIN. The failure mileage was approximately 135,000.

Filed Dec 4, 2021 · Transmission · NY

low oil pressure light then Drivetrain malfunction light came on car completely shut off, no steering, no control very hard to get it to the side of the road. Would not go into neutral for tow, had to be dragged onto a tow truck bed. BMW knows of this problem with the PLASTIC drivetrain, BMW still refusing to recall this car, or engine. MANY COMPLAINTS ONLINE!!! CLASS ACTION LAWSUIT APPARENTLY IN PROCESS. I replaced the engine in this car, now 2 years later same DRIVETRAIN problem. Told car needs another engine. Why should the little guy have to deal with this cost and danger!! BMW should stand up and recall this car 2013 x3.