2014 BMW 328D fuel/propulsion system problems
47 owner complaints filed with NHTSA name the fuel/propulsion system on the 2014 BMW 328D — 31% of all complaints for this model year.
What owners report
“1.) The Bosch CP4 High-Pressure Fuel Pump (HPFP), OEM part number 13517824477 / 0445010517, failed catastrophically. This is the factory-installed pump on the 2014 BMW 328d equipped with the N47 diesel engine. Upon failure, the pump's internal cam and roller assembly disintegrated, releasing metal…”
filed May 11, 2026
“The fuel system has failed. The car shut off in the Baltimore harbor tunnel twice completely stopping traffic and creating a very hazard situation. One of those two times the semi truck behind me had to slam its brakes. When the car shuts off you must come to a complete stop and turn the car…”
filed Mar 20, 2026
“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
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other 328D years
| Year | Reports | Share |
|---|---|---|
| 2015 328D | 8 | 30% |
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.