2003 Bmw 330I: Reliability Data

Source: NHTSA — 92 complaints
92
Total Complaints
81,500mi
Median Mileage
EXTERIOR LIGHTING
Top Issue
5
Crash Reports

When Do Complaints Happen?

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

51,000 25th Percentile
81,500 Median Mileage
123,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

EXTERIOR LIGHTING
26
AIR BAGS
24
ELECTRICAL SYSTEM
7
ENGINE AND ENGINE COOLING:ENGINE
5
TIRES
4
LATCHES/LOCKS/LINKAGES
3
ELECTRICAL SYSTEM:IGNITION
3
STRUCTURE:BODY
3
POWER TRAIN
2
EXTERIOR LIGHTING:BRAKE LIGHTS
2

Severity Assessment

5
Crashes
6
Fires
16
Injuries
6
Deaths

Sample Complaint Reports

"ERRATIC ENGINE IDLE AND STALL.AT IDLE ENGINE RPMS WILL DROP CAUSING A STALL/STUTTER. THIS HAPPENS FREQUENTLY AND IN ALL TYPES OF WEATHER CONDITIONS. THIS EFFECTS ALL 330I ZHP (PERFORMANCE PKG) MODEL.*AK"
"ERRATIC ENGINE IDLE AND STALL.AT IDLE ENGINE RPMS WILL DROP CAUSING A STALL/STUTTER. THIS HAPPENS FREQUENTLY AND IN ALL TYPES OF WEATHER CONDITIONS. THIS EFFECTS ALL 330I ZHP (PERFORMANCE PKG) MODEL.*AK"

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