BMW Z4 MOT Check

MOT pass rates, common failures, and reliability data for the BMW Z4. Check any Z4 by registration number below.

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84.6%

Avg Pass Rate

-5.3%

vs BMW Avg

Year Ranges

Good

Reliability

BMW Z4 — MOT Reliability Overview

The BMW Z4 has an average MOT pass rate of 84.6%, which is 5.3 percentage points below the BMW brand average of 89.9%. This is a strong result, indicating that the Z4 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a BMW Z4 fails its MOT are brake pipe damaged or excessively corroded, an srs malfunction indicator lamp (mil) indicates a system malfunction, a tyre cords visible or damaged. If you are preparing your Z4 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 Z4, 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 Z4 performs at MOT across different model years.

2022

Based on 185 vehicles

98.4%Excellent

BMW average: 89.9%

Dangerous Defects

0.0%

Retest Rate

2.7%

Mileage at 3yr

32k mi

2021

Based on 3,050 vehicles

94.7%Excellent

BMW average: 89.9%

Dangerous Defects

1.7%

Retest Rate

8.0%

Mileage at 3yr

29k mi

2020

Based on 5,719 vehicles

93.4%Excellent

BMW average: 89.9%

Dangerous Defects

2.1%

Retest Rate

8.4%

Mileage at 3yr

28k mi

Mileage at 5yr

41k mi

2019

Based on 7,051 vehicles

92.4%Excellent

BMW average: 89.9%

Dangerous Defects

2.2%

Retest Rate

9.5%

Mileage at 3yr

27k mi

Mileage at 5yr

43k mi

2017

Based on 401 vehicles

88.8%Excellent

BMW average: 89.9%

Dangerous Defects

4.3%

Retest Rate

10.2%

2016

Based on 3,440 vehicles

86.0%Excellent

BMW average: 89.9%

Dangerous Defects

4.4%

Retest Rate

16.0%

2015

Based on 4,619 vehicles

88.8%Excellent

BMW average: 89.9%

Dangerous Defects

4.4%

Retest Rate

12.2%

Mileage at 10yr

83k mi

2014

Based on 5,345 vehicles

87.2%Excellent

BMW average: 89.9%

Dangerous Defects

4.7%

Retest Rate

13.1%

Mileage at 10yr

84k mi

2013

Based on 4,572 vehicles

85.3%Excellent

BMW average: 89.9%

Dangerous Defects

4.9%

Retest Rate

13.3%

Mileage at 10yr

88k mi

2012

Based on 5,385 vehicles

84.4%Good

BMW average: 89.9%

Dangerous Defects

4.6%

Retest Rate

17.5%

Mileage at 10yr

90k mi

2011

Based on 5,579 vehicles

85.7%Excellent

BMW average: 89.9%

Dangerous Defects

4.5%

Retest Rate

15.4%

2010

Based on 5,372 vehicles

83.9%Good

BMW average: 89.9%

Dangerous Defects

4.4%

Retest Rate

16.2%

2009

Based on 7,099 vehicles

85.0%Excellent

BMW average: 89.9%

Dangerous Defects

3.5%

Retest Rate

16.8%

2008

Based on 5,072 vehicles

77.4%Good

BMW average: 89.9%

Dangerous Defects

4.3%

Retest Rate

19.7%

2007

Based on 8,715 vehicles

79.0%Good

BMW average: 89.9%

Dangerous Defects

3.9%

Retest Rate

19.0%

2006

Based on 8,605 vehicles

77.0%Good

BMW average: 89.9%

Dangerous Defects

4.2%

Retest Rate

23.6%

2005

Based on 5,913 vehicles

72.9%Average

BMW average: 89.9%

Dangerous Defects

4.2%

Retest Rate

21.8%

2004

Based on 8,481 vehicles

75.7%Good

BMW average: 89.9%

Dangerous Defects

4.1%

Retest Rate

21.3%

2003

Based on 6,922 vehicles

73.1%Average

BMW average: 89.9%

Dangerous Defects

4.5%

Retest Rate

24.8%

0

Based on 41,916 vehicles

82.5%Good

BMW average: 89.9%

Mileage at 5yr

70k mi

Top MOT Failures — BMW Z4

The most common reasons a BMW Z4 fails its MOT, aggregated across all year ranges.

Brake pipe damaged or excessively corroded

2.8%

An SRS malfunction indicator lamp (MIL) indicates a system malfunction

2.1%

A tyre cords visible or damaged

1.6%

Engine MIL illuminated indicating a malfunction

1.5%

A suspension pin, bush or joint excessively worn

1.4%

BMW Z4 Common Faults & Repair Costs

Where Failures Occur

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

Front Offside

1.1%

Front Nearside

1.1%

Rear Offside

1.1%

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 Z4

BMW Z4 — Frequently Asked Questions

Common questions about the BMW Z4 MOT and reliability.

What is the MOT pass rate for the BMW Z4?

The average MOT pass rate for the BMW Z4 is 84.6% 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 Z4?

The most common MOT failures on the BMW Z4 are: Brake pipe damaged or excessively corroded (2.8%), An SRS malfunction indicator lamp (MIL) indicates a system malfunction (2.1%), A tyre cords visible or damaged (1.6%). These are the components most likely to cause an MOT failure.

Is the BMW Z4 reliable?

With an average MOT pass rate of 84.6%, the BMW Z4 is rated as "Good" 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 Z4?

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 Z4?

Typical mileage for the BMW Z4: 32,103 miles at 3 years. Use these benchmarks when evaluating a used Z4 to spot vehicles with unusually high or low mileage.

Check Your BMW Z4's MOT History

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