YearToAvoid

2015 BMW 328i Engine Problems

Engine problems account for 65 of 124 total complaints (52%) on the 2015 BMW 328i, making it the top complaint area for the year. Owners report engine-compartment fires (7 cases), coolant/thermostat failures, and sudden power loss with drivetrain malfunction warnings, typically around 100,000 miles median mileage at failure.

Engine complaints
65
52% of 124
Crashes reported
2
Fires reported
7
Injuries reported
1
Median mileage
100,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Engine-compartment fires reported while parked, driving at highway speed, or at low speed, sometimes preceded by coolant spraying near the front of the vehicle.
  • Sudden loss of power or stalling accompanied by a 'drivetrain malfunction' warning message, forcing the car into limp mode with vibration when accelerating.
  • Coolant thermostat sticking open or failing, triggering check engine lights and requiring dealer diagnosis.
  • Smoke or overheating from under the hood or through A/C vents, sometimes with unknown warning lights illuminated and the A/C blowing only hot air.
  • One owner linked an engine-compartment fire to NHTSA Campaign 24V-608, tied to the engine coolant pump electrical connector.

When 2015 BMW 328i engine complaints were filed

First complaint Oct 29, 2016, latest Jul 17, 2026.

2015 BMW 328i engine complaints: complaints filed per month7Oct 2016Sep 2020Sep 2022Aug 2024Dec 2024Apr 2025Aug 2025May 2026
65 complaints filed with NHTSA from Oct 2016 to Jul 2026; peak May 2025 (7).

Engine recalls for the 2015 BMW 328i

No safety recalls on record for this model year.

Engine complaints by 328i model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201086 (55%)
  2. 2011370 (64%)
  3. 201275 (58%)
  4. 2013137 (53%)
  5. 201463 (42%)
  6. 201565 (52%)
  7. 201630 (53%)

Frequently asked questions

How common are engine problems in the 2015 BMW 328i?
NHTSA lists 65 engine complaints out of 124 total complaints for the 2015 328i, or 52% of all complaints filed for the model year.
Is there a recall for the 2015 BMW 328i engine?
The JSON shows no related recalls listed specifically tied to this Engine complaint category, though one owner narrative references NHTSA Campaign 24V-608 concerning the coolant pump electrical connector.
Do 2015 328i engine problems cause fires?
Yes, NHTSA data shows 7 fire incidents among the sample engine-related complaints, several occurring in the engine compartment while driving or parked.
At what mileage do engine problems typically appear?
The median mileage at failure for engine-related complaints on the 2015 328i is 100,000 miles.
How does the 2015 328i compare to other years for engine complaints?
The 2015 328i's engine complaint share is 52%, similar to 2012 (58%) and 2013 (53%), but lower than 2011's 64% share.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.