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. The BMW M340i Xdrive Auto sits 12.2 points above the national average, ranked 876 of 2,005 models. On one bought as 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 recorded closing bids for damaged BMW M340i Xdrive Autos at UK salvage auction.

Most common MOT failures on a BMW M340i Xdrive Auto

  1. Number plate does not conform to the specified requirements, 0.8% of tests (4.35x the national rate for this defect)
  2. A tyre seriously damaged, 7% of tests (2.51x the national rate for this defect)
  3. A tyre cords visible or damaged, 2.1% of tests (1.28x the national rate for this defect)
  4. Tyre tread depth not in accordance with the requirements, 1.3% of tests
  5. A suspension pin, bush or joint excessively worn, 0.9% of tests
  6. 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, 0.7% of tests (3.87x the national rate for this defect)
  7. a brake lining or pad worn below 1.5mm, 0.3% of tests
  8. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.3% of tests
  9. A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, 0.2% of tests
  10. Any fracture or welding defect on a wheel, 0.2% of tests (3.64x the national rate for this defect)

From 1,867 DVSA-tracked BMW M340i Xdrive Auto tests, 2024. DVSA testers marked 21.43% of these flagged BMW M340i Xdrive Auto defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 5.11% nationally.

Most common MOT advisories on a BMW M340i Xdrive Auto

An advisory doesn't fail the car - the tester flags it as worth watching, but it still passes. A different list from the failures above: what testers are noting on a BMW M340i Xdrive Auto before it actually fails on it.

  1. Tyre tread depth not in accordance with the requirements, 12.7% of tests, also fails
  2. A tyre seriously damaged, 4.4% of tests, also fails
  3. a brake lining or pad worn below 1.5mm, 4% of tests, also fails
  4. Brake disc or drum excessively weakened, insecure or fractured, 0.7% of tests
  5. Brake disc or drum significantly and obviously worn, 0.6% of tests
  6. Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, 0.6% of tests
  7. A suspension pin, bush or joint excessively worn, 0.5% of tests, also fails
  8. A wheel badly distorted or wear between wheel and hub at spigot mounting, 0.3% of tests
  9. A shock absorber damaged to the extent that it does not function or showing signs of severe leakage, 0.2% of tests
  10. Number plate inscription missing or illegible, 0.2% of tests

From 1,867 DVSA-tracked BMW M340i Xdrive Auto tests, 2024.

BMW M340i Xdrive Auto pass rate by model year

From its 2019 to its 2020 model year, the BMW M340i Xdrive Auto's first-time pass rate has fallen 0.7 points, from 89.5% to 88.8%, an unusual pattern where even its newest years fail more than its oldest. First-time pass rate for each BMW M340i Xdrive Auto year:

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Models with a similar pass rate

If this car is a salvage or write-off

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BMW M340i Xdrive Auto MOT pass rate badge: 88.9%

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BMW M340i Xdrive Auto most common MOT failure: Number plate does not conform to the specified requirements (0.8% of tests)

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All 2,005 models ranked by MOT pass rate