2021 BMW M4 Report
Known issues, recalls, running costs, and what to check before you buy.

Overall Score
Key Takeaways
- The integrated brake system recall is a critical safety concern; verify its completion.
- Seat belt retractors were also subject to recalls, impacting occupant safety.
- While no complaints were logged, the recall history suggests potential component vulnerabilities.
- Expect premium fuel requirements and consider the associated running costs.
2021 BMW M4
Critical Failure Risk
A manufacturing defect in the weld of the integrated brake system's rotor and shaft can lead to a loss of ABS and braking assistance, particularly during hard braking. This is a critical safety concern.
Early detection can help you avoid a $1,500-$3,000 repair.
Safety & Bulletins
Owner Complaints
No primary complaint themes found.
Performance & Efficiency
Reliability
Practicality
The score is mainly limited by high fuel consumption, and limited seating.
Who This Car Is For
Best for
Enthusiasts seeking a potent, rear-wheel-drive performance coupe.
+2 more buyer-fit notes in the full report
Avoid if
Drivers seeking a low-maintenance, budget-friendly daily driver.
+2 more buyer-fit warnings in the full report
2021 BMW M4 Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 BMW M4.
Vehicle Specs
- Fuel Type
- Premium
- Seating Capacity
- 4
- Transmission
- Automatic
- Drivetrain
- Rear-Wheel Drive
- Body Style
- Coupe
- EPA Combined MPG
- 19
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Most Common Issues
1. Integrated Brake System Failure
Most reportedUsage data observed
2. Seat Belt Retractor Malfunction
Usage data observed
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection
Est. shop cost: $250 - $450
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FAQ
Is the 2021 BMW M4 reliable?
The CarFocal Reliability Score for the 2021 BMW M4 is 8.1/10. Reliability score is 8.1/10. NHTSA recalls: 5. Owner complaints: 0.
How practical is the 2021 BMW M4 for daily use?
Practicality score is 3.0/10. The score is mainly limited by high fuel consumption, and limited seating. EPA combined economy is 19 MPG. Seating capacity is 4.
What is the overall score for the 2021 BMW M4?
The CarFocal Overall Score for the 2021 BMW M4 is 5.8/10. Overall score is 5.8/10 (Mixed). Confidence 55%. Maintenance 7.4/10. Practicality 3.0/10.
What does it cost to own and maintain a 2021 BMW M4?
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 at 10,000 miles. Estimated first-year maintenance: $800 - $1,500. Repair prediction highlight: Integrated Brake System (estimated cost Min: $1500 • Max: $3000).
What engine is in the 2021 BMW M4?
Engine specs list 6 • 3.0.
What transmission does the 2021 BMW M4 use?
According to CarFocal's specs for the 2021 BMW M4, transmission is Automatic. The paired drivetrain is Rear-Wheel Drive.
Does the 2021 M4 require Premium gas?
Manufacturer fuel recommendation: Premium.
What is the combined EPA MPG for the 2021 BMW M4?
EPA combined estimate is 19 MPG.
What driver assistance and safety features are available on the 2021 BMW M4?
11 standard and 1 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.
How many people fit in a 2021 BMW M4?
According to CarFocal's specs for the 2021 BMW M4, seating capacity is 4.
What body style is the 2021 BMW M4?
According to CarFocal's specs for the 2021 BMW M4, body style is coupe.
What drivetrain does the 2021 BMW M4 use?
According to CarFocal's specs for the 2021 BMW M4, drivetrain is Rear-Wheel Drive. Transmission is Automatic.
Are there open safety recalls on the 2021 BMW M4?
This model year has 5 official safety campaigns listed.