What year BMW 645 is most reliable?

Based on MOT first-test pass rates, the 2005 BMW 645 has the highest pass rate at 79.8%, out of 1,016 vehicles tested.

What are the most common BMW 645 MOT failures?

The most common BMW 645 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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BMW 645 — Reliability by Year

3,817 vehicles · MOT data 2004–2005 · first-test pass rates

This page shows MOT first-test pass rates for each year the BMW 645 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

2005

79.8% pass rate · 1,016 vehicles

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Lowest pass rate year

2004

79.7% pass rate · 2,801 vehicles

Year	Pass rate	Avg mileage	Vehicles
2005	79.8%	73,845 mi	1,016
2004	79.7%	76,003 mi	2,801

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