BMW X4: MOT pass rate and reliability data

The BMW X4 passes its MOT first time more often than the average UK car, by 9.5 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 14,748 individual BMW X4 tests. Nothing here is an estimate or a survey.

The numbers

What this means if you are buying one

A 86.2% first-time pass rate means roughly 14 in every 100 BMW X4s 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 X4 tested had covered 60,527 miles and was built around 2017.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a BMW X4 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 X4 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 X4s actually sold for at UK salvage auction.

Most common MOT failures on a BMW X4

1. Number plate does not conform to the specified requirements, 0.4% of tests (2.39x the national rate for this defect)
2. A wheel with a loose or missing wheel nut, bolt or stud, 0.3% of tests (1.16x the national rate for this defect)
3. A tyre seriously damaged, 1.8% of tests
4. Tyre tread depth not in accordance with the requirements, 1.7% of tests
5. Wiper blade missing or obviously not clearing the windscreen, 1.2% of tests
6. A spring or spring component fractured or seriously weakened, 1.2% of tests
7. A tyre cords visible or damaged, 0.9% of tests
8. a brake lining or pad worn below 1.5mm, 0.9% of tests
9. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.6% of tests
10. Engine MIL illuminated indicating a malfunction, 0.4% of tests

From 32,432 DVSA-tracked BMW X4 tests, 2024. DVSA testers marked 7.26% of these flagged BMW X4 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

BMW X4 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 X4 year:

• 2014 BMW X4 - 84% first-time pass, 750 tests
• 2015 BMW X4 - 83.1% first-time pass, 2,070 tests
• 2016 BMW X4 - 83.9% first-time pass, 2,702 tests
• 2017 BMW X4 - 84.1% first-time pass, 2,150 tests
• 2018 BMW X4 - 89.5% first-time pass, 2,031 tests
• 2019 BMW X4 - 89.3% first-time pass, 3,636 tests
• 2020 BMW X4 - 90.9% first-time pass, 1,253 tests

BMW X4 by fuel type

Diesel and petrol versions of the same car fail on different things, so the fuel type moves the number:

• Diesel BMW X4 - 86.3% first-time pass, 13,646 tests
• Petrol BMW X4 - 90.8% first-time pass, 1,043 tests

Other BMW models

• BMW 3 Series - 76.8%
• BMW 118 - 81.9%
• BMW 116 - 78.6%
• BMW X1 - 85.2%
• BMW X3 - 82.3%
• BMW X5 - 81.2%
• BMW 1 Series - 81.6%
• BMW 520 - 80.2%

Models with a similar pass rate

• Lexus Rx 450h F Sport Cvt - 86.3%
• Nissan Silvia - 86.3%
• Vauxhall Viva - 86.2%
• Fiat Unclassified - 86.2%
• Volvo V90 Momentum + T4 Auto - 86.2%
• Volkswagen Transporter T30 Highline Tdi - 86.1%

If this car is a salvage or write-off

• What does Cat N mean? Category N explained
• What does Cat S mean? Category S explained
• Cat S vs Cat N: the real differences

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All 2,005 models ranked by MOT pass rate