2017 Bmw 330I: Reliability Data

Source: NHTSA — 54 complaints
54
Total Complaints
33,400mi
Median Mileage
ENGINE
Top Issue
0
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

14,300 25th Percentile
33,400 Median Mileage
51,400 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
20
UNKNOWN OR OTHER
10
ELECTRICAL SYSTEM
4
SEAT BELTS
3
ENGINE AND ENGINE COOLING
3
POWER TRAIN
2
VEHICLE SPEED CONTROL
2
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
1
VISIBILITY/WIPER
1
STEERING
1

Severity Assessment

0
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"I WAS DRIVING ON A FREE WAY DURING RUSH HOUR WHEN I HEARD AN EXPLOSION. I PULLED OVER AND DISCOVERED THE MOON ROOF TO THE CAR HAD SHATTERED AND CREATED A VERTICAL PROTRUSION FROM THE WINDOW. THE TEMPERATURE THAT AFTERNOON WAS 109 AND I HAD DRIVEN FROM AN ALTITUDE OF 7,000 FEET TO 1,200 FEET. THER..."
"I WAS DRIVING BETWEEN 55-65 MPH ON A TWO LANE HIGHWAY WHEN THE PANORAMIC SUNROOF SPONTANEOUSLY EXPLODED. THE MAJORITY OF GLASS BLEW UP AND OUT OF THE CAR, BUT SMALL PIECES WERE FALLING BACK INTO THE CAR. THE TEMPERATURE OUTSIDE WAS APPROXIMATELY 66 DEGREES. TRAFFIC WAS MOVING WELL, BUT HEAVY."
"THE 2 REAR SEAT BELTS (NOT THE MIDDLE ONE) BECAME DETACHED AT THE CONNECTION POINT AT THE TOP OF THE SEAT. THE BELTS APPEAR TO HAVE BEEN TORN OR SEVERED AS IF THEY WERE CUT AT THE POINT WHERE THEY ARE ATTACHED."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28