Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2015 BMW 428i owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2015 BMW 428I. The contact stated that while the vehicle was parked, while attempting to start the vehicle, it failed to start. The contact stated that the vehicle eventually started. The vehicle was taken to an independent mechanic, where it was diagnosed with coolant pump failure. The contact was informed that the coolant had been continuously running, causing the battery to completely drain. The contact was informed that the battery needed to be replaced, the radiator needed to be flushed, and the repair of a small oil leak was needed. The vehicle was repaired. The VIN was included in NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System). While driving to the dealer, the loss of communication with the coolant pump warning light illuminated. …
The contact owns a 2015 BMW 428I. The contact was notified 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 made aware of the issue and confirmed that parts were not yet available. The contact stated that an abnormal oil burning odor was coming from the vehicle. The check engine warning light became illuminated. The vehicle was taken to an independent mechanic, and it was discovered that there was oil leaking from the gasket and onto the bank 1 sensor, which caused the sensor to become corroded. The mechanic linked the failure to the recall. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. …
The contact owns a 2015 BMW 428I. The contact stated while driving at approximately 15-20 MPH, the message "Do not Drive" was displayed. The vehicle sat overnight; however, upon starting the vehicle the next day, the messages "Do not Drive" and "Add Coolant" were displayed. There were no visible leaks found. The contact added additional BMW coolant. 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 scheduled an appointment with the dealer. 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 approximate failure mileage was 138,000. VIN tool confirms parts not available.
The contact owns a 2014 BMW 428I. The contact stated while driving at an undisclosed speed, the contact noticed a smoky odor coming from the vehicle and the contact noticed smoke coming from the engine compartment. The contact pulled the vehicle over and turned the vehicle off. The vehicle was able to restart. 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 dealer was contacted. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure. The approximate failure mileage was 70,000. VIN tool confirms parts not available.
The contact owns a 2015 BMW 428I. The contact stated while driving at an undisclosed speed, the engine overheated and the vehicle started shaking with the drivetrain malfunction message displayed. 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 dealer was contacted and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure but was unable to confirm when parts would become available. The failure mileage was approximately 93,000. VIN tool confirms parts not available.
The contact owns a 2015 BMW 428I. 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 local dealer was contacted, and it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated while driving at an undisclosed speed, there was smoke coming from the engine compartment into the cabin of the vehicle. The cause of the failure was not determined, and the vehicle was not yet repaired. The failure mileage was 60,000. VIN tool confirms parts not available.
The contact owns a 2015 BMW 428i. 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 contact stated while operating the vehicle, the contact noticed smoke coming from the engine compartment. An unknown local dealer was contacted. The vehicle was not diagnosed or repaired. 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 failure. The failure mileage was 63,000. VIN tool confirms parts not available.
The contact owns a 2015 BMW 428I. 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 contact stated that while driving at an undisclosed speed, there was white smoke coming from under the hood. No warning light was illuminated. 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 failure. The failure mileage was approximately 61,000. VIN tool confirms parts not available.
The contact owns a 2015 BMW 428I. 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 contact stated while driving at undisclosed speeds, smoke was coming from under the hood, entering the vehicle through the A/C vents. The local dealer was not 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 failure mileage was approximately 84,000. VIN tool confirms parts not available.
The contact owns a 2015 BMW 428I. 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 contact stated while driving approximately 30-40 MPH, there was smoke coming from underneath the hood of the vehicle. The dealer was not contacted. The manufacturer was made aware of the issue. The failure mileage was 151,940. VIN tool confirms parts not available.
Engine complaints in other 428i years
Frequently asked questions
How common are engine problems on the 2015 BMW 428i?
NHTSA has 37 complaints about the engine & cooling of the 2015 BMW 428i, 47% of the model year's 78 complaints.
Is there a recall for 2015 BMW 428i engine problems?
No. NHTSA lists no engine & cooling recall for the 2015 BMW 428i, though it has 5 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2015 BMW 428i engine problems start?
Half of the complaints with a recorded mileage happened before about 70,000 miles, and 17% before 25,000 miles.
Is it dangerous?
Owners linked 1 crash, 2 fires and 1 injury to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.