2003 BMW 525i — MOT History by Age
How cars manufactured in 2003 perform at MOT as they age
Data from official DVSA MOT testing records
Compared to Average at Age 10
✅ 5.7% above average (15326 models compared)
How This Car Ages
Pass rate progression for the 2003 BMW 525i as it ages.
Bar chart showing pass rate by car age from 6 to 10 years
📊 View as table
| Age | Pass Rate | Tests |
|---|---|---|
| 6 yrs | 69.7% | 33 |
| 7 yrs | 51.5% | 33 |
| 9 yrs | 73.3% | 30 |
| 10 yrs | 64.5% | 31 |
Pass Rate Trend
How the 2003 BMW 525i pass rate changes as it ages, from first MOT to most recent.
Trend shows improving over 4 years
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| Built | Pass Rate | Tests |
|---|---|---|
| 2013 (10 yrs) | 64.5% | 31 |
| 2012 (9 yrs) | 73.3% | 30 |
| 2010 (7 yrs) | 51.5% | 33 |
| 2009 (6 yrs) | 69.7% | 33 |
Year-by-Year MOT Results
Common MOT Failures
Top failure categories across all test years for 2003 BMW 525i, with age trends.
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Suspension | 6.1% (6 yrs) | 35.5% (10 yrs) | +29.4%
| 🔴 ↑ |
| Tyres | 9.1% (6 yrs) | 22.6% (10 yrs) | +13.5%
| 🔴 ↑ |
| Brakes | 9.1% (6 yrs) | 22.6% (10 yrs) | +13.5%
| 🔴 ↑ |
| Lamps, Reflectors and Electrical Equipment | 9.1% (6 yrs) | 6.5% (10 yrs) | -2.6%
| 🟢 ↓ |
Other Manufacture Years
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 2003 perform at MOT as they age. Data spans from 2009 to 2013, covering 127 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.