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2021 BMW M550i Report

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

Updated Jun 4, 2026·Daniel Wilson

Overall Score

6.2/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • The 4.4-liter V8 engine paired with an 8-speed automatic transmission and all-wheel drive provides strong performance.
  • Fuel economy is rated at 20 MPG combined, suggesting significant fuel costs for daily driving.
  • Three recalls were issued, all concerning the back-over prevention system, specifically the rearview camera's sensing and software.
  • No consumer complaints were logged in NHTSA data, indicating a potentially smooth ownership experience for most.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2021 BMW M550i

The 2021 BMW M550i represents a compelling blend of potent performance and everyday luxury. Powered by a robust 4.4-liter V8 engine and BMW's xDrive all-wheel-drive system, it delivers exhilarating acceleration and confident handling. Its sophisticated interior and advanced technology cater to a premium experience. While generally reliable, potential buyers should be aware of a few recalls focused on the rearview camera system.

Critical Failure Risk

Recalls addressed issues with the rearview camera's sensing system and software, leading to potential obscuration or non-illumination. While software updates are the typical fix, persistent issues could indicate underlying hardware problems.

Early detection can help you avoid a $500-$1,500 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls3
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency
Combined
20
MPG
City
17
MPG
Highway
25
MPG
Full Vehicle Specifications ↓

Reliability

8.9/ 10

Practicality

3.7/ 10

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Drivers seeking a powerful and luxurious sedan with strong acceleration.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers concerned about fuel expenses.

+2 more buyer-fit warnings in the full report

2021 BMW M550i Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 BMW M550i.

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

Vehicle Specs

Fuel Type
Premium
Seating Capacity
5
Transmission
Automatic
Drivetrain
All-Wheel Drive
Body Style
Sedan
EPA Combined MPG
20

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See the full 2021 BMW M550i buyer report before you decide

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

Most Common Issues

1. Rearview Camera Malfunction

Most reported

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: $300 - $500

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
3 recall campaign details & remedy notes
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FAQ

FAQ

Is the 2021 BMW M550i reliable?▾

The CarFocal Reliability Score for the 2021 BMW M550i is 8.9/10. Reliability score is 8.9/10. NHTSA recalls: 3. Owner complaints: 0.

How practical is the 2021 BMW M550i for daily use?▾

Practicality score is 3.7/10. The score is mainly limited by high fuel consumption. EPA combined economy is 20 MPG. Seating capacity is 5.

What is the overall score for the 2021 BMW M550i?▾

The CarFocal Overall Score for the 2021 BMW M550i is 6.2/10. Overall score is 6.2/10 (Mixed). Confidence 55%. Maintenance 7.9/10. Practicality 3.7/10.

What does it cost to own and maintain a 2021 BMW M550i?▾

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: $1,000 - $1,500. Repair prediction highlight: Rearview Camera System (typical at 25,000 miles, estimated cost Min: $500 • Max: $1,500).

What engine is in the 2021 BMW M550i?▾

Engine specs list 8 • 4.4.

What transmission does the 2021 BMW M550i use?▾

According to CarFocal's specs for the 2021 BMW M550i, transmission is Automatic. The paired drivetrain is All-Wheel Drive.

Does the 2021 M550i require Premium gas?▾

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 BMW M550i?▾

EPA combined estimate is 20 MPG.

What driver assistance and safety features are available on the 2021 BMW M550i?▾

12 standard and 2 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 BMW M550i?▾

According to CarFocal's specs for the 2021 BMW M550i, seating capacity is 5.

What body style is the 2021 BMW M550i?▾

According to CarFocal's specs for the 2021 BMW M550i, body style is sedan.

What drivetrain does the 2021 BMW M550i use?▾

According to CarFocal's specs for the 2021 BMW M550i, drivetrain is All-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2021 BMW M550i?▾

This model year has 3 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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