What year BMW I4 M50 is most reliable?

Based on MOT first-test pass rates, the 2022 BMW I4 M50 has the highest pass rate at 90.6%, out of 1,763 vehicles tested.

What are the most common BMW I4 M50 MOT failures?

The most common BMW I4 M50 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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BMW I4 M50 — Reliability by Year

7,224 vehicles · MOT data 2022–2025 · first-test pass rates

This page shows MOT first-test pass rates for each year the BMW I4 M50 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Year	Pass rate	Avg mileage	Vehicles
2025	First MOTs due 2028+	—	1,299
2024	First MOTs due 2027+	8,979 mi	1,760
2023	First MOTs due 2026+	31,006 mi	2,402
2022	90.6%	29,599 mi	1,763

* UK vehicles require their first MOT at 3 years old. Recent model years shown in grey have little or no MOT test data yet — pass rate data will build up as those vehicles mature.

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