Model year 2023 · Subcompact Cars, Compact Cars

2023 BMW 4 Series: recalls, fuel economy and safety ratings

EPA rates the 2023 BMW 4 Series at 25–28 mpg combined across 12 versions. NHTSA lists 3 safety recalls and 6 owner complaints for this model year.

Safety recalls

3

EPA combined mpg

25–28

NHTSA overall rating

—

Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT

NHTSA lists this vehicle as 430I, M440I.

Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a BMW dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.

2023 BMW 4 Series recalls

NHTSA's recall file lists 3 safety recalls for the 2023 BMW 4 Series, newest first.

Electrical system: Starter assembly

NHTSA 26V056000 Reported Jan 30, 2026
Filed by
BMW of North America, LLC
Units affected
87,394 (estimate)
Problem
BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.
Risk
Fire increases the risk of injury.
Remedy
Dealers will replace the engine starter, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.

Full recall record on nhtsa.gov

Power train: Automatic transmission: Control module (tcm/pcm/tecm)

NHTSA 23V821000 Reported Dec 6, 2023
Filed by
BMW of North America, LLC (manufacturer recall no. Toyota - 23TA14)
Units affected
552 (estimate)
Problem
BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDrive), 4 Series Coupe (430i, 430i xDrive, M440i xDrive), 4 Series Convertible (430i, 430i xDrive, M440i xDrive), 8 Series Coupe (840i, M850i xDrive, M8), 8 Series Convertible (840i, M850i xDrive, M8), 8 Series Gran Coupe (850i xDrive, M8), X3 SAV (X3 xDrive30i, X3M), X4 SAV (X4 xDrive30i), X5 SAV (X5 xDrive40i, X5 M50i, X5M), X6 SAV (X6 xDrive40i, X6 M50i, X6M), and Z4 sDrive30i, Z4 M40i vehicles. The weld seam of the integrated transmission control unit's cover may not have been manufactured properly, which could allow automatic transmission oil to leak into the transmission control unit.
Risk
Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, causing a sudden loss of drive power and increasing the risk of a crash.
Remedy
Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as necessary, free of charge. Owner notification letters were mailed January 26, 2024. Owners may contact BMW customer service at 1-800-525-7417.

Full recall record on nhtsa.gov

Electrical system: Body control module: Software

NHTSA 23V118000 Reported Feb 23, 2023
Filed by
BMW of North America, LLC
Units affected
120 (estimate)
Problem
BMW of North America, LLC (BMW) is recalling certain 2023 330i, 330i xDrive, M340i, M340i xDrive, M3, 330e, 330e xDrive, 430i Convertible, 430i xDrive, M440i, 2022-2023 430i, 430i xDrive, M440i xDrive, i4 eDrive40, and i4 M50 vehicles. During a service visit, a replacement electronic control unit (ECU) may have been installed with incorrect programming, which can cause the automatic door locking (ADL) function to not lock the doors as intended.
Risk
Doors that do not lock as intended while the vehicle is in motion may open during a crash, increasing the risk of injury.
Remedy
Dealers will update the ECU software, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact BMW customer service at 1-800-525-7417.

Full recall record on nhtsa.gov

Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.

2023 BMW 4 Series fuel economy by version

EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.

2023 BMW 4 Series EPA fuel economy
VersionEngineTransmissionDriveFuelCity/Hwy/CombFuel cost/yrCO2 g/mi
430i Convertible2.0L 4-cyl turboAutomatic 8-speedRear-Wheel DrivePremium25/34/28 mpg$2,950313
430i Coupe2.0L 4-cyl turboAutomatic 8-speedRear-Wheel DrivePremium25/34/28 mpg$2,950313
430i Gran Coupe2.0L 4-cyl turboAutomatic 8-speedRear-Wheel DrivePremium25/34/28 mpg$2,950313
430i xDrive Convertible2.0L 4-cyl turboAutomatic 8-speedAll-Wheel DrivePremium23/33/27 mpg$3,050327
430i xDrive Coupe2.0L 4-cyl turboAutomatic 8-speedAll-Wheel DrivePremium23/33/27 mpg$3,050327
430i xDrive Gran Coupe2.0L 4-cyl turboAutomatic 8-speedAll-Wheel DrivePremium23/33/27 mpg$3,050329
M440i Convertible3.0L 6-cyl turbo hybridAutomatic 8-speedRear-Wheel DrivePremium23/31/26 mpg$3,150340
M440i Coupe3.0L 6-cyl turbo hybridAutomatic 8-speedRear-Wheel DrivePremium24/32/27 mpg$3,050325
M440i Gran Coupe3.0L 6-cyl turbo hybridAutomatic 8-speedRear-Wheel DrivePremium24/32/27 mpg$3,050325
M440i xDrive Convertible3.0L 6-cyl turbo hybridAutomatic 8-speedAll-Wheel DrivePremium22/31/25 mpg$3,300348
M440i xDrive Coupe3.0L 6-cyl turbo hybridAutomatic 8-speedAll-Wheel DrivePremium22/31/25 mpg$3,300348
M440i xDrive Gran Coupe3.0L 6-cyl turbo hybridAutomatic 8-speedAll-Wheel DrivePremium22/31/25 mpg$3,300348

Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.

EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.

2023 BMW 4 Series crash-test ratings

NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.

2023 BMW 4 Series NHTSA 5-Star Safety Ratings
Tested vehicleOverallFrontalSideRolloverRollover riskForward collision warning
2023 BMW 4 Series Convertible C AWDNot ratedNot ratedNot ratedNot rated—No
2023 BMW 4 Series Convertible C RWDNot ratedNot ratedNot ratedNot rated—No
2023 BMW 4 Series Coupe 2 DR AWDNot ratedNot ratedNot ratedNot rated—No
2023 BMW 4 Series Coupe 2 DR RWDNot ratedNot ratedNot ratedNot rated—No
2023 BMW 4 Series Gran Coupe 4 DR AWDNot ratedNot ratedNot ratedNot rated—No
2023 BMW 4 Series Gran Coupe 4 DR RWDNot ratedNot ratedNot ratedNot rated—No

Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.

Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.

2023 BMW 4 Series owner complaints

Owners have filed 6 complaints with NHTSA about the 2023 BMW 4 Series, most recently on Jun 21, 2026. 0 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.

Most-cited components in 2023 BMW 4 Series complaints
Component named in complaintsMentions
Seat belts2
Back over prevention: Sensing system: Camera1
Electrical system1
Power train1
Unknown or other1

Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.

Had a safety problem with your vehicle? You can report it to NHTSA at nhtsa.gov/report-a-safety-problem.

Other BMW 4 Series model years

BMW 4 Series by model year
YearCombinedRecallsComplaintsOverall rating
2027 4 Series27–31 mpg———
2026 4 Series27–31 mpg12—
2025 4 Series27–31 mpg18—
2024 4 Series25–28 mpg23—
2022 4 Series25–28 mpg58—
2021 4 Series26–29 mpg721—
2020 4 Series21–27 mpg15—
2019 4 Series21–27 mpg327—
2018 4 Series23–27 mpg143—
2017 4 Series23–27 mpg230—
2016 4 Series22–27 mpg156—
2015 4 Series23–27 mpg593—

All BMW 4 Series years compared · Decode a VIN

Other 2023 BMW models

Sources

  • Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 27, 2026, plus a live check of api.nhtsa.gov in your browser.
  • Complaints: NHTSA consumer complaint flat files (COMPLAINTS_RECEIVED), counts only — we do not republish complaint text.
  • Crash tests: NHTSA 5-Star Safety Ratings API.
  • Fuel economy: FuelEconomy.gov vehicles file (U.S. DOE and EPA), dated Sep 29, 2026.
  • NHTSA, EPA and DOE do not endorse OpenVIN. Vehicle names identify vehicles only; OpenVIN is not affiliated with BMW.