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BMW I4 M50 MOT Check

MOT pass rates, common failures, and reliability data for the BMW I4 M50. Check any I4 M50 by registration number below.

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93.2%

Avg Pass Rate

+3.2%

vs BMW Avg

2

Year Ranges

Excellent

Reliability

BMW I4 M50 — MOT Reliability Overview

The BMW I4 M50 has an average MOT pass rate of 93.2%, which is 3.2 percentage points above the BMW brand average of 89.9%. This is a strong result, indicating that the I4 M50 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used BMW I4 M50, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the BMW I4 M50 performs at MOT across different model years.

2022

Based on 143 vehicles

97.9%Excellent
BMW average: 89.9%
Dangerous Defects

0.7%

Retest Rate

3.5%

Mileage at 3yr

29k mi

2021

Based on 86 vehicles

88.4%Excellent
BMW average: 89.9%
Dangerous Defects

5.9%

Retest Rate

8.2%

Mileage at 3yr

50k mi

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Rear Offside

2.1%

Rear Nearside

0.7%

Other BMW Models

Compare MOT reliability across BMW models.

BMW 420d Xdrive M Sport Mhev Auto

90.4% pass rate

BMW X2 Sdrive18d Sport

87.3% pass rate

BMW X2 Sdrive18d M Sport X Auto

87.0% pass rate

BMW 550

82.4% pass rate

BMW 316 I

89.0% pass rate

BMW 540i Xdrive M Sport Mhev Auto

75.6% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for BMW I4 M50

BMW I4 M50 — Frequently Asked Questions

Common questions about the BMW I4 M50 MOT and reliability.

What is the MOT pass rate for the BMW I4 M50?
The average MOT pass rate for the BMW I4 M50 is 93.2% compared to the BMW average of 89.9%. Pass rates vary by year — check the year-by-year breakdown on this page for details.
What are the most common MOT failures on a BMW I4 M50?
Check the detailed breakdown on this page for specific failure data by year range.
Is the BMW I4 M50 reliable?
With an average MOT pass rate of 93.2%, the BMW I4 M50 is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.
How do I check the MOT history of a BMW I4 M50?
Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.
What mileage should I expect on a BMW I4 M50?
Typical mileage for the BMW I4 M50: 28,593 miles at 3 years. Use these benchmarks when evaluating a used I4 M50 to spot vehicles with unusually high or low mileage.

Check Your BMW I4 M50's MOT History

Enter the registration number for the full MOT history — free and instant.

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