2021 BMW M440I Seats Problems
- Complaints
- 1about this part
- Share
- 17%of 6 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 seats of the 2021 BMW M440I, 17% of the 6 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.
“I am seeing a lot of concerns regarding the seatbelt extenders, the buckle end pretensioner, seat wiring harness and the yellow box connectors that are where the main power and air bag SRS connections sit under the drivers seat. The seat harnesses are catching in the sliding track mechanism during forward and backward adjustments, isn't that a manufacturer error as the harnesses are only kept in place by plastic routing clips, which may or may not be there. I am just wondering if this should be looked at on the 2021 440i convertibles? …”
NHTSA complaint #11753304, filed 2026-07Related service bulletins
- 10249023Jan 2, 2024Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power…
- 10182916Oct 1, 2020CC MESSAGE "FAILURE OF HEAD RESTRAINT ADJUSTMENT ON PASSENGER'S SIDE": Customer states he/she has received a sporadic Check Control message (CCM) "Failure of head restraint…
- 10182617Oct 1, 2020CC MESSAGE "FAILURE OF HEAD RESTRAINT ADJUSTMENT ON PASSENGER'S SIDE": Customer states he/she has received a sporadic Check Control message (CCM) "Failure of head restraint…
Seats: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 17% |
Other parts of the 2021 BMW M440I
2 complaintsBrakes
1 complaintsElectrical system
1 complaintsForward collision avoidance
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2021 BMW M440I
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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