Common BMW 325i MOT failures
Based on 1,129 BMW 325i tests on record carrying an official DVSA defect code, so every category below is counted from real failures rather than estimated.
Real DVSA defect codes
Every category comes from the official MOT Inspection Manual section code DVSA attaches to each defect, not guessed from keywords.
Choose a make or model
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The whole national record
Built from DVSA's published MOT data for Great Britain, not only from vehicles looked up here.
See the breakdown for one make or model
Defaults to every make on record.
Where MOT tests find problems: BMW 325i
A test can find problems in more than one category, so the figures above do not sum to 100%. Each percentage is the share of classifiable tests that found at least one defect in that category. Based on 1,129 classifiable tests for BMW 325i.
What BMW 325i failures look like
1,129 BMW 325i tests on record carry the manual reference DVSA attaches to each defect. The most frequent problems were with axles, wheels, tyres and suspension on 62 tests (5.5%), with brakes on 47 tests (4.2%) and with nuisance (emissions and noise) on 15 tests (1.3%). A test can fail on more than one thing, and an MOT can be failed on one defect while another is only advised, so these counts do not add up to the number of tests.
Narrowed down from the categories to the individual defects themselves, three come up on more than one test:
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Tyre worn close to legal limit/worn on edge
MOT inspection manual reference 5.2.3, in axles, wheels, tyres and suspension
Recorded on 21 of the 1,129 tests: 7 failures and 14 advisories or minors.
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Brake disc worn, pitted or scored, but not seriously weakened
MOT inspection manual reference 1.1.14, in brakes
Recorded on 17 of the 1,129 tests: one failure and 16 advisories or minors.
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Suspension arm pin or bush worn but not resulting in excessive movement
MOT inspection manual reference 5.3.4, in axles, wheels, tyres and suspension
Recorded on 16 of the 1,129 tests: 5 failures and 11 advisories or minors.
Where there is enough data to compare: BMW 3 Series (4,518,661 tests), BMW 118 (1,331,807 tests), BMW 116 (1,132,702 tests), BMW 520 (865,212 tests), every BMW model (18,660,043 tests).
Clauses are read from the manual reference at the end of every defect on the cached test records, and a defect shown here has to appear on at least two of them before it is named. The site-wide breakdown explains how that works and compares every make.