BMW 428: MOT pass rate and reliability data

The BMW 428 passes its MOT first time more often than the average UK car, by 7.5 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 2,853 individual BMW 428 tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate84.2%
UK national average76.7%
Difference+7.5 points
Tests analysed2,853
Average mileage at test64,808 miles
Average year of manufacture2014
Reliability rank1,292 of 2,005 models

What this means if you are buying one

A 84.2% first-time pass rate means roughly 16 in every 100 BMW 428s presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average BMW 428 tested had covered 64,808 miles and was built around 2014.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a BMW 428 bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific BMW 428 rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged BMW 428s actually sold for at UK salvage auction.

Most common MOT failures on a BMW 428

  1. Any fracture or welding defect on a wheel, 0.4% of tests (8.79x the national rate for this defect)
  2. A wheel with a loose or missing wheel nut, bolt or stud, 0.7% of tests (3.04x the national rate for this defect)
  3. A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber, 0.3% of tests (2x the national rate for this defect)
  4. Number plate does not conform to the specified requirements, 0.3% of tests (1.96x the national rate for this defect)
  5. A tyre cords visible or damaged, 1.9% of tests (1.59x the national rate for this defect)
  6. A tyre seriously damaged, 3.1% of tests (1.55x the national rate for this defect)
  7. A shock absorber damaged to the extent that it does not function or showing signs of severe leakage, 1.1% of tests (1.55x the national rate for this defect)
  8. Tyre tread depth not in accordance with the requirements, 1.6% of tests
  9. a brake lining or pad worn below 1.5mm, 1% of tests
  10. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.9% of tests

From 5,353 DVSA-tracked BMW 428 tests, 2024. DVSA testers marked 9.44% of these flagged BMW 428 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

BMW 428 pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each BMW 428 year:

Other BMW models

Models with a similar pass rate

If this car is a salvage or write-off

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BMW 428 MOT pass rate badge: 84.2%

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All 2,005 models ranked by MOT pass rate