1999 BMW 523i — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

55.3%

Latest Pass Rate

1,018

Total Tests (All Years)

151,613 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 18

This car: 55.3%

Average: 54.3%

✅ 1.0% above average (8383 models compared)

How This Car Ages

Pass rate progression for the 1999 BMW 523i as it ages.

10 yrs54.3%

→ ↓2.2%

11 yrs52.1%

→ ↓9.8%

12 yrs42.3%

→ ↑8.9%

13 yrs51.2%

→ ↓0.3%

14 yrs50.9%

→ ↑2.5%

15 yrs53.4%

→ ↑1.8%

16 yrs55.2%

→ ↑9.7%

17 yrs64.9%

→ ↓9.6%

18 yrs55.3%

📊 View as table

Age	Pass Rate	Tests
10 yrs	54.3%	210
11 yrs	52.1%	165
12 yrs	42.3%	149
13 yrs	51.2%	129
14 yrs	50.9%	106
15 yrs	53.4%	88
16 yrs	55.2%	67
17 yrs	64.9%	57
18 yrs	55.3%	47

Pass Rate Trend

How the 1999 BMW 523i pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (18 yrs)	55.3%	47
2016 (17 yrs)	64.9%	57
2015 (16 yrs)	55.2%	67
2014 (15 yrs)	53.4%	88
2013 (14 yrs)	50.9%	106
2012 (13 yrs)	51.2%	129
2011 (12 yrs)	42.3%	149
2010 (11 yrs)	52.1%	165
2009 (10 yrs)	54.3%	210

Year-by-Year MOT Results

2009High Fail Rate

54.3%

Age (yrs) 10Tests 210Avg Mileage 126,079Top Failure Brakes — 25.2%

2010High Fail Rate

52.1%

Age (yrs) 11Tests 165Avg Mileage 126,818Top Failure Brakes — 29.7%

2011High Fail Rate

42.3%

Age (yrs) 12Tests 149Avg Mileage 131,585Top Failure Brakes — 36.2%

2012High Fail Rate

51.2%

Age (yrs) 13Tests 129Avg Mileage 139,609Top Failure Brakes — 31.8%

2013High Fail Rate

50.9%

Age (yrs) 14Tests 106Avg Mileage 143,472Top Failure Brakes — 84.9%

2014High Fail Rate

53.4%

Age (yrs) 15Tests 88Avg Mileage 144,163Top Failure Brakes — 61.4%

2015High Fail Rate

55.2%

Age (yrs) 16Tests 67Avg Mileage 143,540Top Failure Suspension — 47.8%

2016High Fail Rate

64.9%

Age (yrs) 17Tests 57Avg Mileage 155,751Top Failure Suspension — 64.9%

2017High Fail Rate

55.3%

Age (yrs) 18Tests 47Avg Mileage 151,613Top Failure Suspension — 59.6%

MOT results for 1999 BMW 523i by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	54.3%	210	126,079	Brakes — 25.2%
2010	11	52.1%	165	126,818	Brakes — 29.7%
2011	12	42.3%	149	131,585	Brakes — 36.2%
2012	13	51.2%	129	139,609	Brakes — 31.8%
2013	14	50.9%	106	143,472	Brakes — 84.9%
2014	15	53.4%	88	144,163	Brakes — 61.4%
2015	16	55.2%	67	143,540	Suspension — 47.8%
2016	17	64.9%	57	155,751	Suspension — 64.9%
2017	18	55.3%	47	151,613	Suspension — 59.6%

Common MOT Failures

Top failure categories across all test years for 1999 BMW 523i, with age trends.

Brakes

45.4%

↑ Increases with age

Suspension

43.5%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

32.6%

↑ Increases with age

Tyres

25.6%

↑ Increases with age

Driver's View of the Road

13.5%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	17.6% (10 yrs)	59.6% (18 yrs)	+42.0%	🔴 ↑
Brakes	25.2% (10 yrs)	51.1% (18 yrs)	+25.9%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	22.4% (10 yrs)	44.7% (18 yrs)	+22.3%	🔴 ↑
Tyres	16.7% (10 yrs)	27.7% (18 yrs)	+11.0%	🔴 ↑

Other Manufacture Years

1996 1997 1998 1999 2000

← Back to BMW 523i overview

Looking for the best year to buy? See the full comparison on the BMW 523i page →

About This Data

This page shows how BMW 523i cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2017, covering 1,018 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.