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What 62 owners told NHTSA about the 2015 BMW 528i

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (62)Crash / fire / injury (5)Electrical system (35)Engine & cooling (32)Engine (13)Body & structure (5)Fuel system (3)Lights (2)Transmission & drivetrain (2)Visibility & wipers (2)Airbags (1)Seat belts (1)

1 of 62 complaints match · Engine & cooling · crash/fire/injury only · clear filters

Feb 6, 2026Engine & coolingElectrical systemFire

The contact owns a 2015 BMW 528i. The contact stated that while his vehicle was parked, the coolant pump connector caught on fire, which was connected to a after market Coolant pump. The failure experienced was a localized electrical fire that originated at the coolant pump connector and aftermarket coolant pump while the vehicle was parked. The contact referenced NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM) but was told by the dealer they could not repair the recall due to the vehicle having an aftermarket coolant pump. The contact stated he originally replaced the coolant pump with an aftermarket one due to a failure, as advised in the recall notice. The vehicle was occupied during the failure. There was grey smoke coming from the engine and inside the vehicle, with flames that were coming from the hood and under the engine. The fire originated specifically within the coolant pump assembly and its associated electrical connector, with the thermal damage concentrated in that area before spreading. The fire department was able to extinguish the fire. The vehicle was towed to the dealer. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 120,000.

NHTSA ODI 11716235

Working with the data? Download all 62 complaints as CSV · fetched from NHTSA July 28, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 BMW 528i verdict →