2012 BMW 328I engine problems
55 owner complaints filed with NHTSA name the engine on the 2012 BMW 328I — 42% of all complaints for this model year.
What owners report
“Engine oil pressure light came on and then the driver train malfunction light. Car at 113k miles and upon checking the timing chain was damage and now engine locked”
filed Jul 7, 2026
“INCIDENT SUMMARY: On January 9, 2026, at approximately 1:30 PM, while traveling at 50 MPH in North Carolina, the vehicle experienced a sudden, catastrophic engine seizure without any prior "Limp Mode" warning or Check Engine Light. This resulted in an immediate, total loss of motive power in active…”
filed Jan 11, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.
B170121 · Service Bulletin/Repair Instructions · issued Apr 1, 2022
Engine problems in other 328I years
| Year | Reports | Share |
|---|---|---|
| 2016 328I | 15 | 27% |
| 2015 328I | 23 | 19% |
| 2014 328I | 29 | 19% |
| 2013 328I | 92 | 36% |
| 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 2012 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.