2004 BMW 525i — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

54.8%

Latest Pass Rate

464

Total Tests (All Years)

123,904 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 13

This car: 54.8%

Average: 53.1%

✅ 1.7% above average (13033 models compared)

How This Car Ages

Pass rate progression for the 2004 BMW 525i as it ages.

5 yrs62.5%

→ ↑8.1%

6 yrs70.6%

→ ↓6.8%

7 yrs63.8%

→ ↓2.4%

8 yrs61.4%

→ ↑5.3%

9 yrs66.7%

→ ↑2.7%

10 yrs69.4%

→ ↓1.3%

11 yrs68.1%

→ ↓16.0%

12 yrs52.1%

→ ↑2.7%

13 yrs54.8%

📊 View as table

Age	Pass Rate	Tests
5 yrs	62.5%	64
6 yrs	70.6%	51
7 yrs	63.8%	58
8 yrs	61.4%	57
9 yrs	66.7%	48
10 yrs	69.4%	49
11 yrs	68.1%	47
12 yrs	52.1%	48
13 yrs	54.8%	42

Pass Rate Trend

How the 2004 BMW 525i pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (13 yrs)	54.8%	42
2016 (12 yrs)	52.1%	48
2015 (11 yrs)	68.1%	47
2014 (10 yrs)	69.4%	49
2013 (9 yrs)	66.7%	48
2012 (8 yrs)	61.4%	57
2011 (7 yrs)	63.8%	58
2010 (6 yrs)	70.6%	51
2009 (5 yrs)	62.5%	64

Year-by-Year MOT Results

2009High Fail Rate

62.5%

Age (yrs) 5Tests 64Avg Mileage 70,289Top Failure Brakes — 15.6%

2010

70.6%

Age (yrs) 6Tests 51Avg Mileage 79,076Top Failure Brakes — 19.6%

2011High Fail Rate

63.8%

Age (yrs) 7Tests 58Avg Mileage 85,253Top Failure Tyres — 13.8%

2012High Fail Rate

61.4%

Age (yrs) 8Tests 57Avg Mileage 91,671Top Failure Tyres — 29.8%

2013

66.7%

Age (yrs) 9Tests 48Avg Mileage 94,143Top Failure Suspension — 50.0%

2014

69.4%

Age (yrs) 10Tests 49Avg Mileage 104,385Top Failure Tyres — 32.7%

2015

68.1%

Age (yrs) 11Tests 47Avg Mileage 109,892Top Failure Tyres — 38.3%

2016High Fail Rate

52.1%

Age (yrs) 12Tests 48Avg Mileage 116,510Top Failure Suspension — 68.8%

2017High Fail Rate

54.8%

Age (yrs) 13Tests 42Avg Mileage 123,904Top Failure Suspension — 69.0%

MOT results for 2004 BMW 525i by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	62.5%	64	70,289	Brakes — 15.6%
2010	6	70.6%	51	79,076	Brakes — 19.6%
2011	7	63.8%	58	85,253	Tyres — 13.8%
2012	8	61.4%	57	91,671	Tyres — 29.8%
2013	9	66.7%	48	94,143	Suspension — 50.0%
2014	10	69.4%	49	104,385	Tyres — 32.7%
2015	11	68.1%	47	109,892	Tyres — 38.3%
2016	12	52.1%	48	116,510	Suspension — 68.8%
2017	13	54.8%	42	123,904	Suspension — 69.0%

Common MOT Failures

Top failure categories across all test years for 2004 BMW 525i, with age trends.

Suspension

32.4%

↑ Increases with age

Brakes

27.2%

↑ Increases with age

Tyres

26.5%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

17.4%

↑ Increases with age

Exhaust, Fuel and Emissions

9.5%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	10.9% (5 yrs)	69.0% (13 yrs)	+58.1%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	6.3% (5 yrs)	52.4% (13 yrs)	+46.1%	🔴 ↑
Brakes	15.6% (5 yrs)	47.6% (13 yrs)	+32.0%	🔴 ↑
Tyres	14.1% (5 yrs)	31.0% (13 yrs)	+16.9%	🔴 ↑

Other Manufacture Years

2000 2001 2002 2003 2004

← Back to BMW 525i overview

Looking for the best year to buy? See the full comparison on the BMW 525i page →

About This Data

This page shows how BMW 525i cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2017, covering 464 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.