2015 BMW 328I electrical system problems
56 owner complaints filed with NHTSA name the electrical system on the 2015 BMW 328I — 45% 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
“The contact owns a 2015 BMW 328I. The contact stated that while driving at 40 MPH, the vehicle caught on fire. The fire originated in the engine compartment. There were no warning lights illuminated. The driver was able to extinguish the fire. The vehicle was towed to the residence and was then…”
filed Jul 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- An improperly sealed electrical connector on the water pump may be exposed to water and…Campaign 24V608000 · Aug 13, 2024
Related service bulletins
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information…
B611305 · Service Bulletin/Repair Instructions · issued Jan 11, 2024After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
B651523 · Service Bulletin/Repair Instructions · issued May 1, 2023
Electrical System problems in other 328I years
| Year | Reports | Share |
|---|---|---|
| 2016 328I | 21 | 38% |
| 2014 328I | 52 | 34% |
| 2013 328I | 61 | 24% |
| 2012 328I | 23 | 18% |
| 2011 328I | 128 | 22% |
| 2010 328I | 37 | 24% |
| 2009 328I | 61 | 32% |
| 2008 328I | 85 | 36% |
| 2007 328I | 128 | 32% |
| 2000 328I | 5 | 4% |
| 1999 328I | 7 | 7% |
| 1998 328I | 5 | 19% |
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.