BMW 520d Xdrive M Sport Mhev Auto: MOT pass rate and reliability data

The BMW 520d Xdrive M Sport Mhev Auto passes its MOT first time more often than the average UK car, by 10.7 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 975 individual BMW 520d Xdrive M Sport Mhev Auto tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate87.4%
UK national average76.7%
Difference+10.7 points
Tests analysed975
Average mileage at test37,667 miles
Average year of manufacture2020
Reliability rank1,069 of 2,005 models

What this means if you are buying one

A 87.4% first-time pass rate means roughly 13 in every 100 BMW 520d Xdrive M Sport Mhev Autos 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 520d Xdrive M Sport Mhev Auto tested had covered 37,667 miles and was built around 2020.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a BMW 520d Xdrive M Sport Mhev Auto 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 520d Xdrive M Sport Mhev Auto 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 520d Xdrive M Sport Mhev Autos actually sold for at UK salvage auction.

Most common MOT failures on a BMW 520d Xdrive M Sport Mhev Auto

  1. Any fracture or welding defect on a wheel, 0.8% of tests (16.81x the national rate for this defect)
  2. A tyre seriously damaged, 3.8% of tests (1.9x the national rate for this defect)
  3. A tyre cords visible or damaged, 1.7% of tests (1.42x the national rate for this defect)
  4. Engine MIL illuminated indicating a malfunction, 0.6% of tests
  5. A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, 0.4% of tests
  6. Wiper blade missing or obviously not clearing the windscreen, 0.4% of tests
  7. A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, 0.4% of tests
  8. The aim of a headlamp is not within limits laid down in the requirements, 0.3% of tests
  9. A transmission shaft flexible coupling excessively deteriorated, 0.2% of tests (31.04x the national rate for this defect)
  10. Windscreen or window damaged or seriously discoloured and affecting the driver's view of the road or of an obligatory external mirror, 0.2% of tests (5.12x the national rate for this defect)

From 2,037 DVSA-tracked BMW 520d Xdrive M Sport Mhev Auto tests, 2024. DVSA testers marked 12.29% of these flagged BMW 520d Xdrive M Sport Mhev Auto defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

BMW 520d Xdrive M Sport Mhev Auto 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 520d Xdrive M Sport Mhev Auto year:

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All 2,005 models ranked by MOT pass rate