BMW 645: MOT pass rate and reliability data

The BMW 645 fails its first MOT more often than the average UK car, by 0.1 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,592 individual BMW 645 tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate76.6%
UK national average76.7%
Difference-0.1 points
Tests analysed1,592
Average mileage at test103,930 miles
Average year of manufacture2004
Reliability rank1,568 of 2,005 models

What this means if you are buying one

A 76.6% first-time pass rate means roughly 23 in every 100 BMW 645s presented for MOT fail on the first attempt. That is worse than average, so budget for remedial work and treat a fresh 12-month MOT as a genuine selling point rather than a given. The average BMW 645 tested had covered 103,930 miles and was built around 2004.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a BMW 645 bought as a repairable salvage, assume the mechanical side needs more than the visible accident damage, and pad your repair estimate accordingly.

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 645 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 645s actually sold for at UK salvage auction.

Most common MOT failures on a BMW 645

  1. An SRS malfunction indicator lamp (MIL) indicates a system malfunction, 1.4% of tests (4.55x the national rate for this defect)
  2. Brake pipe damaged or excessively corroded, 1.9% of tests (2.33x the national rate for this defect)
  3. A suspension joint dust cover missing or no longer prevents the ingress of dirt etc, 2.6% of tests (1.9x the national rate for this defect)
  4. A spring or spring component fractured or seriously weakened, 2.9% of tests (1.79x the national rate for this defect)
  5. Engine MIL illuminated indicating a malfunction, 1.6% of tests (1.76x the national rate for this defect)
  6. A suspension pin, bush or joint excessively worn, 4.9% of tests (1.34x the national rate for this defect)
  7. A tyre seriously damaged, 1.7% of tests
  8. A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, 1.6% of tests
  9. Tyre tread depth not in accordance with the requirements, 1.3% of tests
  10. A tyre cords visible or damaged, 1.3% of tests

From 3,124 DVSA-tracked BMW 645 tests, 2024. DVSA testers marked 3.52% of these flagged BMW 645 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

BMW 645 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 645 year:

Other BMW models

Models with a similar pass rate

If this car is a salvage or write-off

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BMW 645 MOT pass rate badge: 76.6%

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All 2,005 models ranked by MOT pass rate