What year BMW 323 I is most reliable?

Based on MOT first-test pass rates, the 1980 BMW 323 I has the highest pass rate at 100.0%, out of 1,566 vehicles tested.

What are the most common BMW 323 I MOT failures?

The most common BMW 323 I MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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BMW 323 I — Reliability by Year

12,702 vehicles · MOT data 1980–1985 · first-test pass rates

This page shows MOT first-test pass rates for each year the BMW 323 I 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

1980

100.0% pass rate · 1,566 vehicles

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Lowest pass rate year

1984

75.0% pass rate · 2,261 vehicles

Year	Pass rate	Avg mileage	Vehicles
1985	—	—	2,668
1984	75.0%	101,763 mi	2,261
1983	—	—	1,851
1982	—	—	2,096
1981	—	—	2,260
1980	100.0%	85,492 mi	1,566

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