2021 BMW 330I Body and structure Problems
- Complaints
- 1about this part
- Share
- 3%of 29 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the body and structure of the 2021 BMW 330I, 3% of the 29 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My sunroof exploded randomly, without warning as I was traveling on the highway at approximately 65 MPH. There was no impact from an object. The cloth cover beneath the sunroof was fully intact and undamaged after the incident.”
NHTSA complaint #11449667, filed 2022-02Related service bulletins
- 11030060Mar 6, 2026The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from…
- 11022101Aug 20, 2025While driving on a smooth and/or uneven road, a “cracking” sound is heard from the rear wheel arch area (highlighted in orange) on either the right or left side.
- 11018730May 14, 2025A vehicle listed above may arrive with a Check Control Message (CCM), and/or malfunction indicator lamp(MIL) illuminated. After carrying out the vehicle test, one or more of the…
- 11017506Apr 29, 2025A groaning noise is present from the door frame of any door, most commonly when driving over rough roadsor during body flex. This situation may be worse in vehicles which are…
- 11017103Apr 15, 2025The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from…
- 10242879Sep 12, 2023A groaning noise is present from the door frame of any door, most commonly when driving over rough roadsor during body flex. This situation may be worse in vehicles which are…
- 10238081May 1, 2023Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
- 10230725Dec 1, 2022A cracking, metallic noise from under the center of the vehicle.
- 10218369Jun 1, 2022Whistling noise is heard coming from the front bumper while driving at highway speeds.
- 10212798Apr 1, 2022A rattling noise is heard in the vehicle interior when the air conditioning (AC) is activated.
Body and structure: other model years
Other parts of the 2021 BMW 330I
13 complaintsEngine
8 complaintsOther or unknown
5 complaintsAir bags
4 complaintsForward collision avoidance
3 complaintsLane departure
2 complaintsSuspension
2 complaintsBrakes
1 complaintsEngine cooling
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaintsWheels
1 complaints
← All problems reported for the 2021 BMW 330I
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology