1999 BMW 7 Series — MOT failures & pass rate
1,737 MOT tests on the 1999 BMW 7 Series are in this dataset, and 80.3% of them passed. Against executive cars of a similar age (23.2% fail rate), the 1999 7 Series comes out 3.5pp better. Failures cluster in suspension, brakes and lighting & signalling.
What the MOT record shows
No single area dominates — suspension (9.6%) and brakes (7.4%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are ball joint, washers and headlamp aim — ball joint alone was recorded 82 times.
Mileage matters less than usual here: the 1999 7 Series fails 23.0% of the time in the 0-30k band and 19.8% at 150k+, a spread of only 3.1 points.
Advisories point at the next bill rather than this one: brakes was flagged on 32.1% of tests without failing them.
The trend is improving — the fail rate fell from 21.0% in 2021 to 19.1% in 2025, as the worst-kept examples leave the fleet.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 9.6% | 167 |
| 2 | Brakes | 7.4% | 129 |
| 3 | Lighting & signalling | 7.1% | 123 |
| 4 | Visibility | 5.6% | 97 |
| 5 | Seat belts & restraints | 3.6% | 63 |
| 6 | Body, structure & corrosion | 3.3% | 57 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Ball joint | 82 |
| 2 | Washers | 74 |
| 3 | Headlamp aim | 68 |
| 4 | Ball joint dust cover | 57 |
| 5 | Rigid brake pipes | 45 |
| 6 | Flexible brake hoses | 42 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Brakes | 32.1% | 558 |
| 2 | Suspension | 27.8% | 483 |
| 3 | Emissions & environmental | 27.5% | 478 |
| 4 | Tyres | 16.5% | 287 |
| 5 | Other defects | 9.5% | 165 |
| 6 | Steering | 8.3% | 145 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 74 | 23.0% |
| 30-60k | 119 | 17.6% |
| 60-90k | 221 | 20.8% |
| 90-120k | 346 | 13.6% |
| 120-150k | 399 | 20.8% |
| 150k+ | 464 | 19.8% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 443 | 21.0% |
| 2022 | 376 | 19.7% |
| 2023 | 344 | 20.1% |
| 2024 | 301 | 17.9% |
| 2025 | 273 | 19.1% |
What to check before buying a 1999 7 Series
On a 1999 7 Series, suspension is what the MOT record says goes wrong most — it appeared in 9.6% of tests. Check these areas before you commit.
- Suspension (9.6% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
- Brakes (7.4% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
- Lighting & signalling (7.1% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 1999 BMW 7 Seriess pass their MOT?
80.3% of the 1,737 1999 BMW 7 Series MOT tests in this dataset passed — a 19.7% fail rate.
What is the most common MOT failure on a 1999 BMW 7 Series?
Suspension, recorded in 9.6% of tests, followed by brakes (7.4%).
Does the 1999 7 Series get worse with mileage?
Its MOT fail rate rises from 23.0% in the 0-30k band to 19.8% in the 150k+ band.
Methodology & source. Based on 1,737 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.