2015 BMW 518 MOT pass rate: 85.4% (1,694 tests)

2015-registered BMW 518s passed 85.4% of 1,694 MOT tests in 2023–2025 — 6.7 points better than all UK cars registered in 2015 (78.8%).
85.4%Pass rate, 2015 cars
106.7Age-adjusted index (100 = average)
1,694Tests analysed
115,349 miMedian mileage at test

Is the 2015 518 getting worse?

Pass rate of 2015-registered cars across recent test years:

Scroll horizontally to read every trend column.

Test yearPass ratePass-rate bar
202385.3%
+4.7 vs same-age
85.3% visual scale
202485.9%
+7.4 vs same-age
85.9% visual scale
202585.0%
+8.0 vs same-age
85.0% visual scale

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2015 518

Scroll horizontally to read every failure column.

#SystemDefects recordedShare
1Tyres17538.7%
2Suspension6514.4%
3Brakes5512.2%
4Visibility4810.6%
5Lamps, reflectors and electrical equipment408.8%
6Noise, emissions and leaks265.8%

All 518 years compared

Scroll horizontally to compare every registration-year column.

Registration yearTestsPass rateVs same-ageMedian mileage
2014 2,673 83.7% +7.8 pts 119,612
2015 (this page) 1,694 85.4% +6.7 pts 115,349
Buying a 2015 518? Two checks first

FAQs

Is a 2015 BMW 518 reliable?

2015-registered examples passed 85.4% of their MOT tests (1,694 tests, 2023–2025), +6.7 points versus all UK cars registered in the same year. At roughly 11 years old with a median 115,349 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2015 518?

The median tested example shows 115,349 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Before you agree to the work

A fault or an advisory is a quote waiting to happen. These pages set out what a garage has to tell you, what a comparable written quote should include, and what you can do if the bill is not what you agreed.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under the Open Government Licence v3.0.