Data as of: DVSA MOT results to 2025
BMW R100S: MOT pass rate by registration year
Which R100S years pass first time, and which fall short of the model's 84.4% average, from 697 DVSA tests.
Pass rate by registration year
Highest pass rate: 1981 (91.4% of 58 tests). Lowest: 1977 (80.7% of 140). Years more than two points below the model average: 1977.
| Registered | Tests | First-time pass | vs model (84.4%) |
|---|---|---|---|
| 1977 | 140 | 80.7% | -3.7 pp |
| 1978 | 203 | 82.8% | -1.6 pp |
| 1979 | 158 | 83.5% | -0.9 pp |
| 1980 | 78 | 83.3% | -1.1 pp |
| 1981 | 58 | 91.4% | +7.0 pp |
Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.
Pass rate over time
Questions
- Which R100S years have the lowest MOT pass rate?
- 1977 registered examples pass first time less often than the BMW R100S overall (84.4%); the 1977 cohort is lowest at 80.7% from 140 tests.
- Which R100S year has the highest MOT pass rate?
- 1981, at 91.4% of 58 first tests (2005–2025).
- How much does the R100S pass rate vary by year?
- 10.7 percentage points between the highest (1981, 91.4%) and lowest (1977, 80.7%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Full report: BMW R100S reliability, failures and mileage · ranked #2639 of 5428 models· other BMW models: R1200, R1150, S1000, F800, K Series, K1200