2013 BMW 528XI

I am submitting this report to notify the National Highway Traffic Safety Administration of a safety‑related defect involving the BMW N20/N26 engine timing chain assembly. My vehicle experienced a sudden and complete engine failure at highway speed due to a timing chain malfunction. This failure occurred without warning and created an immediate safety hazard for my [XXX] son, who was driving at the time. Loss of engine power at speed eliminated the ability to accelerate, maintain speed, or safely maneuver, exposing him and surrounding motorists to significant risk. This issue is not an isolated incident. BMW has issued internal service bulletins acknowledging premature timing chain wear and failure in N20/N26 engines. Independent technicians, consumer forums, and numerous owners have documented identical failures, often occurring well before the expected service life of the timing chain. The nature of the defect—catastrophic engine failure without warning—presents a clear safety concern rather than normal mechanical wear. BMW has declined to provide assistance, stating that “there is nothing we can do,” despite the well‑documented history of this defect and its safety implications. The failure of a known defective component at highway speed is foreseeable, preventable, and materially compromises vehicle safety. I am requesting that NHTSA investigate this recurring timing chain defect in BMW N20/N26 engines, including: The frequency of sudden engine failures Whether BMW’s internal documentation reflects awareness of a systemic safety issue Whether the defect warrants a recall or other corrective action to prevent further incidents This failure placed a young driver in a dangerous situation and could easily result in collisions, injuries, or fatalities. I am submitting this report to help ensure that other drivers are not exposed to the same risk. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11753542

Incident

Jun 4, 2026

Odometer Fraud. The contact purchased a 2013 BMW 528XI. The vehicle was a dealer sale. The contact stated that while driving at an undisclosed speed, the messages "Drivetrain Malfunction - Drive Moderately" and "Contact the Service Center" were displayed. The vehicle was towed back to the dealer where it was purchased; however, the dealer refused to honor the warranty and refused to repair the vehicle. The vehicle was not repaired and remained with the dealer. Upon searching the vehicle history report on the State Police website, the contact discovered two mileage discrepancies with the vehicle. At the time of the purchase, the mileage was 117,217; however, the website indicated a mileage of 117,531 on June 18, 2025, and a mileage of 117,530 on June 24, 2025.

NHTSA ID

11725807

Incident

Mar 19, 2026

Mileage

117,217 mi

My 2013 BMW 528i was serviced under recall 24V-608 (Coolant Pump Electrical Connector / DME). After the recall was marked complete, the car developed several serious failures: Coolant Pump / Connector (Recall Item) – The dealer refused to replace the coolant pump even though the recall notice from the government includes both the pump and connector. Shortly after, the water pump failed completely, causing “High Temperature” warnings and putting me at risk of sudden overheating and breakdown on the road. DME (Engine Control Unit) – This was supposedly updated during the recall, but it failed to detect existing problems. Before the recall, I was never warned about issues with the turbo or oil leaks. Immediately after the recall update, the car started misfiring and showing drivetrain malfunction. The recall did not prevent or detect the failures as promised. Valve Cover Gasket (Oil Leak) – After the recall, a severe valve cover oil leak appeared, causing lean air/fuel mixture, misfires, and risk of fire. Oil leaking onto engine components is a known safety hazard. The dealer admitted the gasket leak existed but refused to cover it. Turbocharger / Wastegate – The DME flagged turbo wastegate actuator problems after the recall. The turbo cannot be ordered separately from the actuator, leading to very expensive repairs. Before the recall update, this issue was not visible, so I believe the recall software either failed to detect earlier or triggered worse conditions. Because of these combined failures, the car became unsafe to drive: misfires caused loss of power, overheating warnings increased risk of sudden engine shutdown, and the oil leak created a fire hazard. An independent mechanic later confirmed the water pump failure and valve cover gasket leak, which I had to repair at my own expense. I believe the recall defect (coolant pump connector / DME) caused or contributed to the damage of the water pump, gasket, and turbocharger. BMW and the dealer refused to rep

NHTSA ID

11685652

Incident

Aug 27, 2025

Both of my headlights had moisture. I replaced the driverside first because you could literally see water sitting in the headlamp. Then I replaced the passengerside a year later because it was doing the same thing that the driver side started doing. I have not had any accidents nor has there been any damage to the front of the car. It appears that this is a known problem. My adaptive part is still not working, but the headlights are working. I have replaced my timinig chain and I keep getting a drivetrain malfunction warning. I am not getting a real answer as to why this is occuring.

NHTSA ID

11679386

Incident

Mar 1, 2025

the head lights are frequently burn out although there is no break in the light covers. It is unpredictable and unsafe especially because alot of my driving is at night.

NHTSA ID

11666894

Incident

Jun 14, 2025

The contact owns a 2013 BMW 528XI. The contact received notification of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ID

11662067

Incident

May 20, 2025

The contact owns a 2013 BMW 528XI. The contact received notification of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted and confirmed that parts were not yet available. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ID

11657270

Incident

Apr 28, 2025

The timing chain became stretched so that the valve timing with the pistons had been altered so that a valve face almost hit the top of a piston(one more tooth on the intake camshaft gear would have caused an impact between the piston top and a valve face causing the motor to stall and cease operation thereby causing the vehicle to lose power and possibly control). A timing chain should not stretch so as to cause a strike between a valve face and the top of a piston. Either the timing chain was of inferior quality or the automatic tensioner was inadequate to take up the slack as the chain wore.

NHTSA ID

11656692

Incident

Feb 19, 2025

The basic conditions for initializing the power windows are not met.

The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.

Engine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system, electric fuel pump: pressure value too low CDA594 - Message (- 0x33E) missing, receiver DME, transmitter TFE

Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicle’s equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is noticeable. Additionally, the red anti-theft alarm LED in the interior mirror does not briefly flash every 2 seconds, indicating the alarm is armed.

Butt connector for repairing a plug connection. The ?top up coolant? message is displayed in the central display (CC message ID 166). When checking the cooling system there are no leaks found and the expansion tank is filled to the proper level.

Shipping specific non-deployed vehicle safety devices to lighting resources, llc. This service Information bulletin provides information on shipping "specific" noin-deployed vehicle safety devices that are classified as Dangerous Goods (DG) to Lighting resources, LLC