1997 BMW 523i — MOT History by Age

How cars manufactured in 1997 perform at MOT as they age

29 years

Current Age

64.5%

Latest Pass Rate

833

Total Tests (All Years)

157,030 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for 523i

Compared to Average at Age 19

This car: 64.5%

Average: 55.4%

✅ 9.1% above average (7550 models compared)

How This Car Ages

Pass rate progression for the 1997 BMW 523i as it ages.

12 yrs49.3%

→ ↑5.7%

13 yrs55.0%

→ ↓12.7%

14 yrs42.3%

→ ↑9.1%

15 yrs51.4%

→ ↓2.6%

16 yrs48.8%

→ ↑0.3%

17 yrs49.1%

→ ↓4.9%

18 yrs44.2%

→ ↑20.3%

19 yrs64.5%

📊 View as table

Age	Pass Rate	Tests
12 yrs	49.3%	223
13 yrs	55.0%	160
14 yrs	42.3%	130
15 yrs	51.4%	107
16 yrs	48.8%	82
17 yrs	49.1%	57
18 yrs	44.2%	43
19 yrs	64.5%	31

Pass Rate Trend

How the 1997 BMW 523i pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (19 yrs)	64.5%	31
2015 (18 yrs)	44.2%	43
2014 (17 yrs)	49.1%	57
2013 (16 yrs)	48.8%	82
2012 (15 yrs)	51.4%	107
2011 (14 yrs)	42.3%	130
2010 (13 yrs)	55%	160
2009 (12 yrs)	49.3%	223

Year-by-Year MOT Results

2009High Fail Rate

49.3%

Age (yrs) 12Tests 223Avg Mileage 130,612Top Failure Brakes — 36.8%

2010High Fail Rate

55.0%

Age (yrs) 13Tests 160Avg Mileage 137,156Top Failure Brakes — 31.9%

2011High Fail Rate

42.3%

Age (yrs) 14Tests 130Avg Mileage 140,876Top Failure Brakes — 36.2%

2012High Fail Rate

51.4%

Age (yrs) 15Tests 107Avg Mileage 145,086Top Failure Brakes — 36.4%

2013High Fail Rate

48.8%

Age (yrs) 16Tests 82Avg Mileage 146,446Top Failure Brakes — 73.2%

2014High Fail Rate

49.1%

Age (yrs) 17Tests 57Avg Mileage 147,055Top Failure Brakes — 75.4%

2015High Fail Rate

44.2%

Age (yrs) 18Tests 43Avg Mileage 148,911Top Failure Brakes — 123.3%

2016High Fail Rate

64.5%

Age (yrs) 19Tests 31Avg Mileage 157,030Top Failure Brakes — 83.9%

MOT results for 1997 BMW 523i by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	12	49.3%	223	130,612	Brakes — 36.8%
2010	13	55.0%	160	137,156	Brakes — 31.9%
2011	14	42.3%	130	140,876	Brakes — 36.2%
2012	15	51.4%	107	145,086	Brakes — 36.4%
2013	16	48.8%	82	146,446	Brakes — 73.2%
2014	17	49.1%	57	147,055	Brakes — 75.4%
2015	18	44.2%	43	148,911	Brakes — 123.3%
2016	19	64.5%	31	157,030	Brakes — 83.9%

Common MOT Failures

Top failure categories across all test years for 1997 BMW 523i, with age trends.

Brakes

62.1%

↑ Increases with age

Suspension

40.8%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

33.4%

↑ Increases with age

Tyres

25.5%

↑ Increases with age

Driver's View of the Road

18.7%

↑ 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	36.8% (12 yrs)	83.9% (19 yrs)	+47.1%	🔴 ↑
Suspension	17.5% (12 yrs)	48.4% (19 yrs)	+30.9%	🔴 ↑
Tyres	13.0% (12 yrs)	29.0% (19 yrs)	+16.0%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	22.0% (12 yrs)	35.5% (19 yrs)	+13.5%	🔴 ↑
Driver's View of the Road	11.2% (12 yrs)	19.4% (19 yrs)	+8.2%	🔴 ↑

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 1997 perform at MOT as they age. Data spans from 2009 to 2016, covering 833 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.