What year BMW R100 is most reliable?

Based on MOT first-test pass rates, the 1991 BMW R100 has the highest pass rate at 90.7%, out of 187 vehicles tested.

What are the most common BMW R100 MOT failures?

The most common BMW R100 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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BMW R100 — Reliability by Year

2,181 vehicles · MOT data 1980–1993 · first-test pass rates

This page shows MOT first-test pass rates for each year the BMW R100 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year

1991

90.7% pass rate · 187 vehicles

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Lowest pass rate year

1980

86.4% pass rate · 252 vehicles

Year	Pass rate	Avg mileage	Vehicles
1993	90.5%	38,899 mi	123
1992	90.4%	38,133 mi	150
1991	90.7%	37,621 mi	187
1990	89.8%	39,425 mi	166
1989	90.0%	41,692 mi	193
1988	89.0%	39,161 mi	168
1983	86.7%	44,664 mi	290
1982	88.3%	46,469 mi	265
1981	87.2%	46,042 mi	387
1980	86.4%	45,792 mi	252

Which year BMW R100 is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 37,621 miles (newest year) to 46,469 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a BMW R100.

See the buying guide →

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