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BMW 340i MOT Check

MOT pass rates, common failures, and reliability data for the BMW 340i. Check any 340i by registration number below.

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93.7%

Avg Pass Rate

+3.8%

vs BMW Avg

6

Year Ranges

Excellent

Reliability

BMW 340i — MOT Reliability Overview

The BMW 340i has an average MOT pass rate of 93.7%, which is 3.8 percentage points above the BMW brand average of 89.9%. This is a strong result, indicating that the 340i is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a BMW 340i fails its MOT are a tyre seriously damaged, a tyre cords visible or damaged. If you are preparing your 340i for its MOT, checking these areas first could save you a retest fee. Our detailed fault analysis includes estimated repair costs for each failure type.

Before buying a used BMW 340i, 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 340i performs at MOT across different model years.

2021

Based on 47 vehicles

97.9%Excellent
BMW average: 89.9%
Dangerous Defects

2.1%

Retest Rate

2.1%

Mileage at 3yr

34k mi

2019

Based on 230 vehicles

90.9%Excellent
BMW average: 89.9%
Dangerous Defects

2.1%

Retest Rate

12.1%

Mileage at 5yr

51k mi

2018

Based on 644 vehicles

93.6%Excellent
BMW average: 89.9%
Dangerous Defects

2.3%

Retest Rate

5.3%

Mileage at 5yr

58k mi

2017

Based on 1,384 vehicles

92.3%Excellent
BMW average: 89.9%
Dangerous Defects

3.8%

Retest Rate

7.8%

Mileage at 5yr

65k mi

2016

Based on 346 vehicles

94.5%Excellent
BMW average: 89.9%
Dangerous Defects

2.3%

Retest Rate

5.0%

0

Based on 989 vehicles

93.2%Excellent
BMW average: 89.9%
Mileage at 5yr

42k mi

Top MOT Failures — BMW 340i

The most common reasons a BMW 340i fails its MOT, aggregated across all year ranges.

1

A tyre seriously damaged

2.8%
2

A tyre cords visible or damaged

1.3%
BMW 340i Common Faults & Repair Costs

Where Failures Occur

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

Rear Offside

2.1%

Rear Nearside

2.1%

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 340i

BMW 340i — Frequently Asked Questions

Common questions about the BMW 340i MOT and reliability.

What is the MOT pass rate for the BMW 340i?
The average MOT pass rate for the BMW 340i is 93.7% 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 340i?
The most common MOT failures on the BMW 340i are: A tyre seriously damaged (2.8%), A tyre cords visible or damaged (1.3%). These are the components most likely to cause an MOT failure.
Is the BMW 340i reliable?
With an average MOT pass rate of 93.7%, the BMW 340i 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 340i?
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 340i?
Typical mileage for the BMW 340i: 34,186 miles at 3 years. Use these benchmarks when evaluating a used 340i to spot vehicles with unusually high or low mileage.

Check Your BMW 340i's MOT History

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

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