2014 BMW 328D engine problems
57 owner complaints filed with NHTSA name the engine on the 2014 BMW 328D — 38% of all complaints for this model year.
What owners report
“Vehicle experienced sudden engine failure while driving due to timing chain failure on N47 diesel engine, a known defect. Loss of propulsion occurred without warning, creating a safety risk.”
filed Feb 13, 2026
“I am reporting an emissions-related malfunction that occurred a very short time after BMW performed the EGR cooler recall and updated the DDE software on my vehicle. Shortly after the recall work, the vehicle began showing DDE fault code 2BB300 – Particulate Sensor Measuring Electrode…”
filed Feb 10, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- If the EGR cooler leaks internally, the coolant can mix with diesel engine sootCampaign 18V755000 · Oct 25, 2018
Related service bulletins
N47/n57 diesel engine egr cooler revised ext ltd wty(elw) coverage/procedure
B010520 · Warranty Program/Extension · issued Aug 15, 2025The Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery…
B010125 · Warranty Program/Extension · issued Aug 12, 2025The Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery…
B010125 · Warranty Program/Extension · issued Aug 8, 2025The vehicle demonstrates a power loss and the malfunction indicator lamp (MIL) on. The following fault codes may be stored in the DDE: 24CE00 Hot film air mass meter: Ratio of measured to calculated air mass too high…
B010520 · Service Bulletin/Repair Instructions · issued Jan 23, 2024
Other reported problem areas on the 2014 BMW 328D
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.