What are the most common problems with the 2021 BMW M240i?

The 3.0-liter turbocharged inline-six engine provides strong, responsive power.

How many recalls does the 2021 BMW M240i have?

The 2021 BMW M240i currently has 4 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2021 BMW M240i a good buy used?

Verdict: Proceed with caution. The 3.0-liter turbocharged inline-six engine provides strong, responsive power. Rear-wheel drive and a balanced chassis deliver engaging driving dynamics. Four recalls were issued, with three related to the seat belt system; confirm all repairs are completed. No consumer complaints were logged in NHTSA data, suggesting issues were addressed proactively via recalls. Fuel economy is respectable for the performance class, rated at 21 MPG combined. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2021 BMW M240i?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2021 BMW M240i.

2021 BMW M240i Report

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

Updated Jun 4, 2026Ethan Miller

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

The 3.0-liter turbocharged inline-six engine provides strong, responsive power.
Rear-wheel drive and a balanced chassis deliver engaging driving dynamics.
Four recalls were issued, with three related to the seat belt system; confirm all repairs are completed.
No consumer complaints were logged in NHTSA data, suggesting issues were addressed proactively via recalls.

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Overview

2021 BMW M240i

The 2021 BMW M240i is a potent rear-wheel-drive coupe that blends potent performance with premium refinement. Powered by a 3.0-liter turbocharged inline-six, it delivers exhilarating acceleration and sharp handling, making it a compelling choice for driving enthusiasts. Its compact size and sporty demeanor mask a practical interior, though rear-seat space is limited. With four recalls issued, primarily concerning the seat belt system, buyers should verify all manufacturer remedies have been applied.

Critical Failure Risk

Recalls indicate potential issues with the Automatic Locking Retractor (ALR) not fully retracting webbing. This impacts occupant restraint effectiveness.

Early detection can help you avoid a $300-$800 repair.

Open Maintenance Analysis →

Safety & Bulletins

Recall Campaigns4

Service Bulletins0

Campaign counts apply to this model year, not your VIN's repair status. Check your VIN with NHTSA.

Full Recall History →

Owner Complaints

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption, and limited seating.

Buyer Fit

Who This Car Is For

Best for

Enthusiasts seeking a balanced, rear-wheel-drive performance coupe.

+2 more buyer-fit notes in the full report

Avoid if

Those prioritizing low running costs and minimal maintenance concerns.

+2 more buyer-fit warnings in the full report

2021 BMW M240i Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 4
Transmission: Automatic
Drivetrain: Rear-Wheel Drive
Body Style: Sedan
EPA Combined MPG: 21

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Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

1. Seat Belt Retractor Malfunction

Most reported

Usage data observed

2. Roof Liner Support Issues

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Engine Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (Coolant, Brake, Washer)

Est. shop cost: $150 - $300

10,000 mi

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

Full pre-purchase inspection checklist

Complete maintenance schedule (3 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

4 recall campaign details & remedy notes

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FAQ

Is the 2021 BMW M240i reliable?

The CarFocal Reliability Score for the 2021 BMW M240i is 8.8/10. Reliability score is 8.8/10. NHTSA recalls: 4. Owner complaints: 0.

How practical is the 2021 BMW M240i for daily use?

Practicality score is 3.3/10. The score is mainly limited by high fuel consumption, and limited seating. EPA combined economy is 21 MPG. Seating capacity is 4.

What is the overall score for the 2021 BMW M240i?

The CarFocal Overall Score for the 2021 BMW M240i is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 55%. Maintenance 8.3/10. Practicality 3.3/10.

What does it cost to own and maintain a 2021 BMW M240i?

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 - Fluid Level Checks (Coolant, Brake, Washer) at 10,000 miles. Estimated first-year maintenance: $400 - $700. Repair prediction highlight: Seat Belt Retractor (typical at 50,000 miles, estimated cost Min: $300 • Max: $800).

What engine is in the 2021 BMW M240i?

Engine specs list 6 • 3.0.

What transmission does the 2021 BMW M240i use?

According to CarFocal's specs for the 2021 BMW M240i, transmission is Automatic. The paired drivetrain is Rear-Wheel Drive.

Does the 2021 M240i require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 BMW M240i?

EPA combined estimate is 21 MPG.

What driver assistance and safety features are available on the 2021 BMW M240i?

9 standard and 3 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 BMW M240i?

According to CarFocal's specs for the 2021 BMW M240i, seating capacity is 4.

What body style is the 2021 BMW M240i?

According to CarFocal's specs for the 2021 BMW M240i, body style is sedan.

What drivetrain does the 2021 BMW M240i use?

According to CarFocal's specs for the 2021 BMW M240i, drivetrain is Rear-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2021 BMW M240i?

This model year has 4 official safety campaigns listed.