2004 BMW Z4 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

70.6%

Latest Pass Rate

62,026

Total Tests (All Years)

93,351 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 70.6%

Average: 56.6%

✅ 14.0% above average (6824 models compared)

How This Car Ages

Pass rate progression for the 2004 BMW Z4 as it ages.

5 yrs73.5%

→ ↓0.1%

6 yrs73.4%

→ ↓1.3%

7 yrs72.1%

→ ↓0.7%

8 yrs71.4%

→ ↓5.1%

9 yrs66.3%

→ ↓0.7%

10 yrs65.6%

→ ↑0.7%

11 yrs66.3%

→ ↓0.5%

12 yrs65.8%

→ ↓0.8%

13 yrs65.0%

→ ↓1.5%

14 yrs63.5%

→ ↑2.4%

15 yrs65.9%

→ ↑1.9%

16 yrs67.8%

→ ↓1.1%

17 yrs66.7%

→ ↑0.6%

18 yrs67.3%

→ ↑0.4%

19 yrs67.7%

→ ↑2.9%

20 yrs70.6%

📊 View as table

Age	Pass Rate	Tests
5 yrs	73.5%	4,591
6 yrs	73.4%	4,439
7 yrs	72.1%	4,461
8 yrs	71.4%	4,414
9 yrs	66.3%	4,428
10 yrs	65.6%	4,427
11 yrs	66.3%	4,325
12 yrs	65.8%	4,307
13 yrs	65.0%	4,129
14 yrs	63.5%	2,883
15 yrs	65.9%	2,956
16 yrs	67.8%	2,729
17 yrs	66.7%	3,518
18 yrs	67.3%	2,870
19 yrs	67.7%	3,312
20 yrs	70.6%	4,237

Pass Rate Trend

How the 2004 BMW Z4 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (20 yrs)	70.6%	4,237
2023 (19 yrs)	67.7%	3,312
2022 (18 yrs)	67.3%	2,870
2021 (17 yrs)	66.7%	3,518
2020 (16 yrs)	67.8%	2,729
2019 (15 yrs)	65.9%	2,956
2018 (14 yrs)	63.5%	2,883
2017 (13 yrs)	65%	4,129
2016 (12 yrs)	65.8%	4,307
2015 (11 yrs)	66.3%	4,325
2014 (10 yrs)	65.6%	4,427
2013 (9 yrs)	66.3%	4,428
2012 (8 yrs)	71.4%	4,414
2011 (7 yrs)	72.1%	4,461
2010 (6 yrs)	73.4%	4,439
2009 (5 yrs)	73.5%	4,591

Year-by-Year MOT Results

2009

73.5%

Age (yrs) 5Tests 4,591Avg Mileage 40,196Top Failure Suspension — 13.9%

2010

73.4%

Age (yrs) 6Tests 4,439Avg Mileage 46,969Top Failure Suspension — 13.9%

2011

72.1%

Age (yrs) 7Tests 4,461Avg Mileage 53,068Top Failure Suspension — 15.3%

2012

71.4%

Age (yrs) 8Tests 4,414Avg Mileage 58,410Top Failure Suspension — 14.3%

2013

66.3%

Age (yrs) 9Tests 4,428Avg Mileage 63,529Top Failure Suspension — 32.9%

2014

65.6%

Age (yrs) 10Tests 4,427Avg Mileage 68,422Top Failure Brakes — 35.6%

2015

66.3%

Age (yrs) 11Tests 4,325Avg Mileage 72,461Top Failure Suspension — 37.3%

2016

65.8%

Age (yrs) 12Tests 4,307Avg Mileage 77,036Top Failure Brakes — 38.3%

2017

65.0%

Age (yrs) 13Tests 4,129Avg Mileage 80,846Top Failure Brakes — 42.7%

2018High Fail Rate

63.5%

Age (yrs) 14Tests 2,883Avg Mileage 84,236Top Failure Brakes — 46.9%

2019

65.9%

Age (yrs) 15Tests 2,956Avg Mileage 87,155Top Failure Brakes — 50.9%

2020

67.8%

Age (yrs) 16Tests 2,729Avg Mileage 89,617Top Failure Brakes — 50.6%

2021

66.7%

Age (yrs) 17Tests 3,518Avg Mileage 90,369Top Failure Brakes — 55.3%

2022

67.3%

Age (yrs) 18Tests 2,870Avg Mileage 92,215Top Failure Brakes — 52.9%

2023

67.7%

Age (yrs) 19Tests 3,312Avg Mileage 93,623Top Failure Brakes — 52.3%

2024

70.6%

Age (yrs) 20Tests 4,237Avg Mileage 93,351Top Failure Brakes — 34.4%

MOT results for 2004 BMW Z4 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	73.5%	4,591	40,196	Suspension — 13.9%
2010	6	73.4%	4,439	46,969	Suspension — 13.9%
2011	7	72.1%	4,461	53,068	Suspension — 15.3%
2012	8	71.4%	4,414	58,410	Suspension — 14.3%
2013	9	66.3%	4,428	63,529	Suspension — 32.9%
2014	10	65.6%	4,427	68,422	Brakes — 35.6%
2015	11	66.3%	4,325	72,461	Suspension — 37.3%
2016	12	65.8%	4,307	77,036	Brakes — 38.3%
2017	13	65.0%	4,129	80,846	Brakes — 42.7%
2018	14	63.5%	2,883	84,236	Brakes — 46.9%
2019	15	65.9%	2,956	87,155	Brakes — 50.9%
2020	16	67.8%	2,729	89,617	Brakes — 50.6%
2021	17	66.7%	3,518	90,369	Brakes — 55.3%
2022	18	67.3%	2,870	92,215	Brakes — 52.9%
2023	19	67.7%	3,312	93,623	Brakes — 52.3%
2024	20	70.6%	4,237	93,351	Brakes — 34.4%

Common MOT Failures

Top failure categories across all test years for 2004 BMW Z4, with age trends.

Brakes

35.3%

↑ Increases with age

Suspension

30.6%

↑ Increases with age

Lamps, reflectors and electrical equipment

21.3%

↑ Increases with age

Tyres

19.7%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

12.2%

↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	7.9% (5 yrs)	34.4% (20 yrs)	+26.5%	🔴 ↑
Suspension	13.9% (5 yrs)	27.2% (20 yrs)	+13.3%	🔴 ↑
Tyres	10.8% (5 yrs)	15.3% (20 yrs)	+4.5%	🔴 ↑

Other Manufacture Years

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2019 2020 2021 2022

← Back to BMW Z4 overview

Looking for the best year to buy? See the full comparison on the BMW Z4 page →

About This Data

This page shows how BMW Z4 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2024, covering 62,026 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.