Get Started
BMW

BMW Z4 — Reliability by Year

44,709 vehicles · MOT data 2003–2022 · first-test pass rates

This page shows MOT first-test pass rates for each year the BMW Z4 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

✓
Best pass rate year
2022
95.8% pass rate · 841 vehicles
⚠
Lowest pass rate year
2005
75.7% pass rate · 3,247 vehicles
Year Pass rate Avg mileage Vehicles
2022
95.8%
15,313 mi 841
2021
94.2%
18,913 mi 1,001
2020
93.4%
20,172 mi 1,466
2019
91.9%
21,150 mi 1,959
2017
88.8%
27,904 mi 142
2016
88.4%
28,419 mi 1,260
2015
88.5%
33,788 mi 1,643
2014
88.2%
37,279 mi 2,023
2013
86.7%
40,868 mi 1,699
2012
86.3%
44,207 mi 2,082
2011
86.0%
44,700 mi 2,122
2010
85.4%
47,526 mi 2,239
2009
85.1%
50,241 mi 2,874
2008
79.6%
55,638 mi 2,265
2007
79.0%
58,940 mi 4,195
2006
78.6%
60,982 mi 4,348
2005
75.7%
65,709 mi 3,247
2004
77.4%
66,652 mi 4,836
2003
76.4%
67,735 mi 4,467

Which year BMW Z4 is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 15,313 miles (newest year) to 67,735 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 Z4.

See the buying guide →

← All BMW models

Check any UK registration — free MOT history and risk insights.