2026 BMW M340i Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- This M340i is equipped with a 3.0-liter, 6-cylinder engine and an 8-speed automatic transmission.
- Rear-wheel drive is standard, contributing to its sporty handling characteristics.
- Expect strong fuel efficiency with a combined EPA rating of 29 MPG.
- The vehicle has a clean record with zero reported recalls or complaints, suggesting a robust initial build.
2026 BMW M340i
Critical Failure Risk
This M340i is equipped with a 3.0-liter, 6-cylinder engine and an 8-speed automatic transmission.
Early detection can reduce the odds of major repair bills.
Safety & Bulletins
Owner Complaints
No primary complaint themes found.
Performance & Efficiency
Reliability
Practicality
Who This Car Is For
Best for
Drivers seeking a potent blend of performance, luxury, and daily usability.
+2 more buyer-fit notes in the full report
Avoid if
Budget-conscious buyers concerned about potential premium maintenance and repair costs.
+2 more buyer-fit warnings in the full report
2026 BMW M340i Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2026 BMW M340i.
Limited reliability records are available for this model year.
Vehicle Specs
- Fuel Type
- Premium
- Transmission
- Automatic (S8)
- Drivetrain
- Rear-Wheel Drive
- Body Style
- Sedan
- EPA Combined MPG
- 29
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Most Common Issues
No complaint hotspot data available yet.
See all common issues in the maintenance guideFirst Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Engine Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection
Est. shop cost: $150 - $250
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FAQ
Is the 2026 BMW M340i reliable?
The CarFocal Reliability Score for the 2026 BMW M340i is 8.8/10. Reliability score is 8.8/10. NHTSA recalls: 0. Owner complaints: 0.
How practical is the 2026 BMW M340i for daily use?
Practicality score is 5.0/10. EPA combined economy is 29 MPG.
What is the overall score for the 2026 BMW M340i?
The CarFocal Overall Score for the 2026 BMW M340i is 6.9/10. Overall score is 6.9/10 (Good). Confidence 55%. Maintenance 8.6/10. Practicality 5.0/10.
What does it cost to own and maintain a 2026 BMW M340i?
Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Engine Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection at 10,000 miles. Estimated first-year maintenance: $400 - $700. Repair prediction highlight: Brake Pads and Rotors (typical at 40,000 miles, estimated cost Min: $600 • Max: $1000).
What engine is in the 2026 BMW M340i?
Engine specs list 6 • 3.0.
What transmission does the 2026 BMW M340i use?
According to CarFocal's specs for the 2026 BMW M340i, transmission is Automatic (S8). The paired drivetrain is Rear-Wheel Drive.
Does the 2026 M340i require Premium gas?
Manufacturer fuel recommendation: Premium.
What is the combined EPA MPG for the 2026 BMW M340i?
EPA combined estimate is 29 MPG.
What driver assistance and safety features are available on the 2026 BMW M340i?
1 standard driver assistance features. Key features include Anti-lock Braking System.
What body style is the 2026 BMW M340i?
According to CarFocal's specs for the 2026 BMW M340i, body style is sedan.
What drivetrain does the 2026 BMW M340i use?
According to CarFocal's specs for the 2026 BMW M340i, drivetrain is Rear-Wheel Drive. Transmission is Automatic (S8).
Should buyers consider alternatives to the 2026 BMW M340i?
Alternative listed in this guide: 2026 Genesis G70.