2015 BMW 328I engine problems
23 owner complaints filed with NHTSA name the engine on the 2015 BMW 328I — 19% of all complaints for this model year.
What owners report
“The engine intake tract, PCV infrastructure, and the main lower engine wiring harness loom failed due to improper reassembly during Federal Safety Recall 24V-608. The technician left the main intake coupler completely loose and spinning freely by hand, and left the MAF sensor crooked. This…”
filed Jul 17, 2026
“On [XXX], my 2015 BMW 328i xDrive (VIN: [XXX] , N20 engine, 124,250 miles) suffered a catastrophic engine failure while in operation. Component/System Failed: The timing chain guides and oil pump drive chain module failed. The plastic timing chain guide broke apart inside the engine. The vehicle…”
filed Jun 1, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Inlet Hose Return
B062626 · Other · issued May 1, 2026Double Pipe Return
B061626 · Other · issued Feb 6, 2026Diesel fuel injectors: ltd wty extension to 10 years/120,000 miles
B010919 · Service Bulletin/Repair Instructions · issued Nov 16, 2023
Engine problems in other 328I years
| Year | Reports | Share |
|---|---|---|
| 2016 328I | 15 | 27% |
| 2014 328I | 29 | 19% |
| 2013 328I | 92 | 36% |
| 2012 328I | 55 | 42% |
| 2011 328I | 190 | 33% |
| 2010 328I | 47 | 31% |
| 2009 328I | 47 | 24% |
| 2008 328I | 54 | 23% |
| 2007 328I | 65 | 16% |
| 2000 328I | 3 | 3% |
Other reported problem areas on the 2015 BMW 328I
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.