2004 Bmw 330I: Reliability Data

Source: NHTSA — 138 complaints
138
Total Complaints
98,500mi
Median Mileage
EXTERIOR LIGHTING
Top Issue
6
Crash Reports

When Do Complaints Happen?

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

68,000 25th Percentile
98,500 Median Mileage
120,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

EXTERIOR LIGHTING
80
AIR BAGS
19
ELECTRICAL SYSTEM
10
VISIBILITY/WIPER
7
EXTERIOR LIGHTING:HEADLIGHTS
5
VISIBILITY
3
UNKNOWN OR OTHER
2
ENGINE AND ENGINE COOLING:ENGINE
2
ENGINE AND ENGINE COOLING
1
SEAT BELTS
1

Severity Assessment

6
Crashes
5
Fires
3
Injuries
0
Deaths

Sample Complaint Reports

"VEHICLE EXPERIENCED ROUGH IDLE WHICH CAUSE IT TO STALL AT INTERSECTIONS, STOP LIGHTS, ETC... *PH *NM"
"THE VEHICLE STALLED WHILE DRIVING AT A LOW SPEED OF 20 MPH OR LESS. THE HAS VEHICLE HAS BEEN TO THE DEALER ON TWO SEPARATE OCCASIONS, HOWEVER THE MECHANIC WAS UNABLE TO CORRECT THE PROBLEM. PLEASE PROVIDE ANY FURTHER INFORMATION. *JB"
"I HAVE A PROBLEM ABOUT FAULT IN PASSENGER RESTRAINT SYSTEM AFFECTING AIRBAG,BELT TENSIONER AND FORCE LIMITER. DURING DRIVING I'VE GOT A WARNING DISPLAYED ON MY HUD. I HAD BROUGHT TWICE TO DEALER,THEY SAID FIXED,BUT AFTER ONE WEEK LATER THE WARNING LIGHT COME BACK AGAIN. THEY KEEP SAID THAT I NEED ..."

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