Independent · Not affiliated with NHTSA or any automaker MethodologyData sourcesData refreshed Oct 6, 2026

2023 BMW M340i: Problems, Recalls and MPG

What this means

NHTSA lists 1 recall campaign for the 2023 BMW M340i, most recently filed February 2023. Owners have filed 0 complaints with NHTSA.

Data summary generated from official records. Methodology Data: NHTSA, DOT, EPA · Refreshed Oct 6, 2026
Caution Fewer than 50 complaints filed. With this few reports, patterns may not be meaningful.
Compare

Recalls (1)

NHTSA lists 1 recall campaign for the 2023 BMW M340i. Check whether yours was repaired with NHTSA's free VIN lookup ↗

Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.

Check on NHTSA ↗
Listed for 2023 BMW M340i. Not checked against your VIN.
Recall 23V118000 Filed Feb 23, 2023

Unlocked Door May Open During Crash

Electrical system · body control module · software
Official NHTSA text
Summary
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.
Consequence
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.
97.5% repairedof 120 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 23V118000

PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.

Owner complaints (0)

0 complaints filed with NHTSA (owner reports, not verified findings).

0involved a crash
0involved a fire
0injuries reported
0deaths reported

As reported by owners in their complaints. These are reports, not NHTSA findings.

Most-reported components

NHTSA has no component data for this model year.

How 2023 compares with other M340i years

Best and worst M340i years →
53 11 7
202020212022
This year (2023)Other yearsStill collecting reports

Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.

Fuel economy: up to 26 mpg combined

26
mpg combined
23
city
31
highway
EPA annual fuel cost
$3,150
CO₂ tailpipe
340 g/mi
EPA class
Compact Cars

What it costs you to run

$2,512per year
$209per month
577gallons a year

Miles ÷ 26 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.

EPA label estimates from lab tests; your mileage will vary.

Specs by configuration

2023 BMW M340i configurations with EPA data
Engine · transmissionDriveCity / Hwy / CombEPA $/yrCO₂ g/mi
3 L 6-cyl · 8-speed automaticRear-Wheel Drive23 / 31 / 26$3,150340

Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Used blue SUV on a sunny dealer lot with its hood open and a clipboard on the fender

Looking at a 2023 M340i for sale?

Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.

All M340i years

Where to next

2023 BMW M340i FAQ

How many recalls does the 2023 BMW M340i have?

NHTSA lists 1 recall campaign: 23V118000 (electrical). Use NHTSA's VIN lookup to see whether a specific car was repaired.

What mpg does the 2023 BMW M340i get?

EPA rates the 3 L 6-cyl · 8-speed automatic version at 23 city, 31 highway and 26 combined mpg.

How this page was madeSources, processing, limits, review and changes

Processing

  • Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
  • Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.

Limitations

  • Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
  • Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
  • Recent model years are still collecting reports.

Review

Data compiled automatically from the official files listed here.

Changelog

  • 2026-10-06 Data refreshed from the official files.
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