BIKERELIABILITY Reg check
League table/ BMW/ R100RS/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

BMW R100RS: MOT pass rate by registration year

Which R100RS years pass first time, and which fall short of the model's 87.6% average, from 2,275 DVSA tests.

1977
highest-passing year · 90.9%
1984
lowest-passing year · 83.1%
7.8pp
spread across 8 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 1977 (90.9% of 121 tests). Lowest: 1984 (83.1% of 59). Years more than two points below the model average: 1981, 1983, 1984.

82%87%92%1977: 90.9% pass (121 tests)1978: 87.6% pass (386 tests)1979: 90.4% pass (436 tests)1980: 86.3% pass (351 tests)1981: 84.7% pass (360 tests)1982: 89.9% pass (238 tests)1983: 84.6% pass (162 tests)1984: 83.1% pass (59 tests)197719811984
RegisteredTestsFirst-time passvs model (87.6%)
1977 121 90.9% +3.3 pp
1978 386 87.6% +0.0 pp
1979 436 90.4% +2.8 pp
1980 351 86.3% -1.3 pp
1981 360 84.7% -2.9 pp
1982 238 89.9% +2.3 pp
1983 162 84.6% -3.0 pp
1984 59 83.1% -4.5 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

first-time pass rate by test year · 2005–2017
76%88%100%2005: 100.0% pass (42 tests)2006: 84.4% pass (243 tests)2007: 91.9% pass (210 tests)2008: 88.1% pass (194 tests)2009: 90.0% pass (180 tests)2010: 89.4% pass (180 tests)2011: 86.4% pass (176 tests)2012: 80.7% pass (161 tests)2013: 89.6% pass (183 tests)2014: 85.9% pass (184 tests)2015: 82.2% pass (180 tests)2016: 87.3% pass (166 tests)2017: 92.2% pass (154 tests)20052017

Questions

Which R100RS years have the lowest MOT pass rate?
1981, 1983, 1984 registered examples pass first time less often than the BMW R100RS overall (87.6%); the 1984 cohort is lowest at 83.1% from 59 tests.
Which R100RS year has the highest MOT pass rate?
1977, at 90.9% of 121 first tests (2005–2025). Years more than two points above the model average: 1977, 1979, 1982.
How much does the R100RS pass rate vary by year?
7.8 percentage points between the highest (1977, 90.9%) and lowest (1984, 83.1%) 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 R100RS reliability, failures and mileage · ranked #1725 of 5428 models· other BMW models: R1200, R1150, S1000, F800, K Series, K1200