Used car guide

2021 BMW X3: common problems and MOT failures

What MOT testers find on the BMW X3 first registered in 2021: we looked at the 10,679 MOTs these cars had during 2025. Plus known faults and what to look at before you buy one.

10,679MOTs of 2021 cars, done in 2025
89%pass first time (all 2021 cars: 87%)
8,900typical miles a year
23%had tyres flagged

Common 2021 BMW X3 MOT failures and advisories

The share of 2021 BMW X3 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    23% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Wipers, windscreen and mirrors
    6% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Brakes
    3% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Seats and seatbelts
    3% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

  • Lights and electrics
    2% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Suspension
    2% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

Known faults on the 2021 BMW X3

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

Questions to ask the seller before buying a 2021 BMW X3

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Have all the recalls been done? Can a BMW dealer confirm from the VIN?
  2. Has the battery recall been done?
  3. Can I see the service history and receipts for any big jobs?

Looking at a BMW X3?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the BMW X3 compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023293Tyres 7%
20227,442Tyres 21%
20207,575Tyres 23%
201915,681Tyres 24%
20188,148Tyres 25%
20178,054Tyres 26%
20168,948Tyres 27%
20157,025Tyres 26%
20146,052Tyres 28%
20137,109Tyres 28%
20126,659Suspension 29%
20113,844Suspension 30%
2010818Suspension 31%
20091,181Suspension 31%
20081,257Suspension 33%
20071,787Suspension 40%
20062,382Suspension 40%
20052,022Suspension 45%
20041,719Oil and fluid leaks 42%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2025, counting the MOTs of BMW X3 cars first registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score