BMW M340i Xdrive Auto: MOT pass rate and reliability data

The BMW M340i Xdrive Auto passes its MOT first time more often than the average UK car, by 12.2 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,868 individual BMW M340i Xdrive Auto tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate88.9%
UK national average76.7%
Difference+12.2 points
Tests analysed1,868
Average mileage at test33,993 miles
Average year of manufacture2020
Reliability rank876 of 2,005 models

What this means if you are buying one

A 88.9% first-time pass rate means roughly 11 in every 100 BMW M340i Xdrive 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 M340i Xdrive Auto tested had covered 33,993 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 M340i Xdrive 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 M340i Xdrive 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 M340i Xdrive Autos actually sold for at UK salvage auction.

Most common MOT failures on a BMW M340i Xdrive Auto

  1. Number plate does not conform to the specified requirements, 0.6% of tests (3.47x the national rate for this defect)
  2. 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, 0.4% of tests (2.63x the national rate for this defect)
  3. A tyre seriously damaged, 3.7% of tests (1.85x the national rate for this defect)
  4. A tyre cords visible or damaged, 1.1% of tests
  5. Tyre tread depth not in accordance with the requirements, 0.9% of tests
  6. A suspension pin, bush or joint excessively worn, 0.4% of tests
  7. a brake lining or pad worn below 1.5mm, 0.2% of tests
  8. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.2% of tests
  9. Any fracture or welding defect on a wheel, 0.1% of tests (2.78x the national rate for this defect)
  10. Brake lining or pad missing or incorrectly mounted, 0.1% of tests (6.91x the national rate for this defect)

From 4,618 DVSA-tracked BMW M340i Xdrive Auto tests, 2024. DVSA testers marked 18.59% of these flagged BMW M340i Xdrive Auto defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

BMW M340i Xdrive 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 M340i Xdrive Auto year:

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BMW M340i Xdrive Auto MOT pass rate badge: 88.9%

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All 2,005 models ranked by MOT pass rate