1979 BMW R100s MOT Pass Rate
Pass rate for R100s models manufactured in 1979, based on 108 real MOT test results.
Data from official DVSA MOT testing records
1979 BMW R100s MOT Analysis
The 1979 BMW R100s has an MOT pass rate of 80.6% based on 108 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 46,633 miles on the odometer. With a 19.4% failure rate, the 1979 R100s is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1979 BMW R100s is Motorcycle fuel and exhaust, responsible for 0.9% of failures. Motorcycle fuel and exhaust issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs range from £100–400. Motorcycle lighting and signalling is the second most common issue at 0.9%.
Top failures specific to 1979 models only. The overall R100s page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Fuel And Exhaust | 0.9% | 1 |
| 2 | Motorcycle Lighting And Signalling | 0.9% | 1 |
Failures per 10,000 Miles
avg. 46,633 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle fuel and exhaust | 0.20 | 0.9% | 1 |
| Motorcycle lighting and signalling | 0.20 | 0.9% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1979 BMW R100s has an MOT pass rate of 80.6% based on 108 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 46,633 miles on the odometer. With a 19.4% failure rate, the 1979 R100s is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1979 BMW R100s, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle fuel and exhaust: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With relatively low average mileage of 46,633 miles, many of these vehicles are still in good mechanical condition.
Motorcycle fuel and exhaust — 0.9% of failures
Motorcycle fuel and exhaust issues account for 0.9% of MOT failures on 1979 BMW R100s models. Motorcycle fuel and exhaust issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Motorcycle lighting and signalling — 0.9% of failures
Motorcycle lighting and signalling issues account for 0.9% of MOT failures on 1979 BMW R100s models. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.