2015 Bmw 428I: Reliability Data

Source: NHTSA — 124 complaints
124
Total Complaints
60,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
15
Crash Reports

When Do Complaints Happen?

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

9,000 25th Percentile
60,000 Median Mileage
84,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
35
ENGINE AND ENGINE COOLING
26
UNKNOWN OR OTHER
12
ENGINE
10
AIR BAGS
7
SERVICE BRAKES
6
FUEL/PROPULSION SYSTEM
5
STRUCTURE:BODY
4
POWER TRAIN
4
VEHICLE SPEED CONTROL
3

Severity Assessment

15
Crashes
7
Fires
9
Injuries
0
Deaths

Sample Complaint Reports

"1.TRAVELING ABOUT 20-30MPH ON THE FREEWAY UNDER SLOW TRAFFIC CONDITION 2.THE CAR WAS CRUISING ABUT 20-25MPH AT THE POINT OF ACCIDENT. I NEEDED TO REDUCE SPEED AS TRAFFIC GET SLOWER, BUT BRAKE DID NOT FUNCTION PROPERLY. PRESSED BRAKE HARD BUT THE CAR WAS STILL ROLLING AND REAR ENDED THE CAR FRONT O..."
"1.TRAVELING ABOUT 20-30MPH ON THE FREEWAY UNDER SLOW TRAFFIC CONDITION 2.THE CAR WAS CRUISING ABUT 20-25MPH AT THE POINT OF ACCIDENT. I NEEDED TO REDUCE SPEED AS TRAFFIC GET SLOWER, BUT BRAKE DID NOT FUNCTION PROPERLY. PRESSED BRAKE HARD BUT THE CAR WAS STILL ROLLING AND REAR ENDED THE CAR FRONT O..."
"1.TRAVELING ABOUT 20-30MPH ON THE FREEWAY UNDER SLOW TRAFFIC CONDITION 2.THE CAR WAS CRUISING ABUT 20-25MPH AT THE POINT OF ACCIDENT. I NEEDED TO REDUCE SPEED AS TRAFFIC GET SLOWER, BUT BRAKE DID NOT FUNCTION PROPERLY. PRESSED BRAKE HARD BUT THE CAR WAS STILL ROLLING AND REAR ENDED THE CAR FRONT O..."

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