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2022 BMW M340i Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 5, 2026·Daniel Wilson

Overall Score

6.9/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • The 2022 M340i is equipped with a potent 3.0-liter, 6-cylinder engine paired with an 8-speed automatic transmission.
  • Fuel economy is respectable for its class, rated at 23 MPG city and 32 MPG highway.
  • A single software recall (23V584000) addressed issues with the audible seat belt warning system, impacting compliance with FMVSS 208.
  • No consumer complaints were logged in the provided NHTSA data, suggesting a generally positive owner experience regarding common issues.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2022 BMW M340i

The 2022 BMW M340i represents a potent iteration of the 3 Series sedan, delivering exhilarating performance wrapped in a sophisticated package. For the used car buyer, this model offers a strong performance-to-value proposition, combining a powerful turbocharged six-cylinder engine with BMW's renowned driving dynamics. However, like any performance-oriented vehicle, understanding its specific ownership considerations is crucial. This guide focuses on practical aspects for used shoppers, highlighting known issues, reliability assessments, and essential checks.

Critical Failure Risk

A recall was issued for a software issue in the receiver audio module control unit that prevented audible seat belt warnings. This impacts compliance with safety standards.

Early detection can help you avoid a $400-$900 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls2
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency
Combined
26
MPG
City
23
MPG
Highway
32
MPG
Full Vehicle Specifications ↓

Reliability

8.7/ 10

Practicality

4.7/ 10

The score is dragged down by its weaker day-to-day practicality signals.

Buyer Fit

Who This Car Is For

Best for

Enthusiasts seeking a potent and engaging daily driver with a premium badge.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers prioritizing absolute lowest running costs.

+2 more buyer-fit warnings in the full report

2022 BMW M340i Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2022 BMW M340i.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects
Specs

Vehicle Specs

Fuel Type
Premium
Seating Capacity
5
Transmission
Automatic
Drivetrain
AWD/All-Wheel Drive
Body Style
Sedan
EPA Combined MPG
26

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Most Common Issues

1. Software Glitches Affecting Safety Warnings

Most reported

Usage data observed

2. Oil Leaks

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Cabin Air Filter Replacement

Est. shop cost: $250 - $400

10,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist
Complete maintenance schedule (5 service intervals)
Repair forecasts with mileage and cost context
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
2 recall campaign details & remedy notes
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FAQ

FAQ

Is the 2022 BMW M340i reliable?▾

The CarFocal Reliability Score for the 2022 BMW M340i is 8.7/10. Reliability score is 8.7/10. NHTSA recalls: 2. Owner complaints: 0.

How practical is the 2022 BMW M340i for daily use?▾

Practicality score is 4.7/10. The score is dragged down by its weaker day-to-day practicality signals. EPA combined economy is 26 MPG. Seating capacity is 5.

What is the overall score for the 2022 BMW M340i?▾

The CarFocal Overall Score for the 2022 BMW M340i is 6.9/10. Overall score is 6.9/10 (Good). Confidence 55%. Maintenance 8.4/10. Practicality 4.7/10.

What does it cost to own and maintain a 2022 BMW M340i?▾

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Cabin Air Filter Replacement at 10,000 miles. Estimated first-year maintenance: $400 - $700. Repair prediction highlight: Software (Seat Belt Warning) (estimated cost Min: $0 (Recall)).

What engine is in the 2022 BMW M340i?▾

Engine specs list 6 • 3.0.

What transmission does the 2022 BMW M340i use?▾

According to CarFocal's specs for the 2022 BMW M340i, transmission is Automatic. The paired drivetrain is AWD/All-Wheel Drive.

Does the 2022 M340i require Premium gas?▾

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2022 BMW M340i?▾

EPA combined estimate is 26 MPG.

What driver assistance and safety features are available on the 2022 BMW M340i?▾

8 standard and 5 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2022 BMW M340i?▾

According to CarFocal's specs for the 2022 BMW M340i, seating capacity is 5.

What body style is the 2022 BMW M340i?▾

According to CarFocal's specs for the 2022 BMW M340i, body style is sedan.

What drivetrain does the 2022 BMW M340i use?▾

According to CarFocal's specs for the 2022 BMW M340i, drivetrain is AWD/All-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2022 BMW M340i?▾

This model year has 2 official safety campaigns listed.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

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