2021 BMW 330I Transmission and drivetrain 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 transmission and drivetrain 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.
“Engine Wiring is made of Soy products with attracts Rodents to feed and destroy the wiring. When this occurs it puts the driver ad passengers in danger because certain functions such as brake light, Headlights and windshield wipers may not work properly. This is becasue when the wiring is compromised , circuits are broken which causes the vehicle's systems connected to that circuit to partially or completely fail, Rending a vehicle partially or completely inoperable. The vehicle was inspected the the BMW dealership service center and they confirmed it was rodent damage . …”
NHTSA complaint #11452849, filed 2022-02Related service bulletins
- 10242688Aug 1, 2023?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
- 10239603Jun 1, 2023BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022…
- 10235178Mar 1, 2023BMW AG has issued a Delivery Stop: Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
- 10233157Feb 1, 2023There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The…
- 10214260Feb 1, 2022When driving off from a standstill, a delayed or sluggish throttle response may be noticed sporadically.
- 10198906May 1, 2021SERVICE ACTION: PROGRAM OR REPLACE DUAL STORAGE SYSTEM BATTERY: A software error intermittently causes a continuous resetting of the microcontroller in the power management…
- 10190858Mar 1, 2021ACCESSORIES DO NOT POWER UP FROM THE FRONT 12 V POWER SOCKET PLUG: Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 1 | 17% |
| 2022 | 1 | 17% |
| 2021 | 1 | 3% |
| 2020 | 1 | 2% |
| 2019 | 5 | 12% |
| 2018 | 1 | 3% |
| 2017 | 2 | 5% |
| 2006 | 1 | 0% |
| 2005 | 1 | 4% |
| 2003 | 3 | 4% |
| 2002 | 4 | 9% |
| 2001 | 23 | 20% |
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 complaintsBody and structure
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 29, 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