Used car guide

2018 BMW X1: common problems and what to check

What gets flagged at MOT on 2018 BMW X1s, from 14,640 tests in 2025, plus known faults and what to look at before you buy one.

14,640MOT tests in 2025
86%pass first time (all 2018 cars: 81%)
7,300typical miles a year
1.7×the usual rate for suspension arm bushes and joints

What stands out

Parts flagged at MOT more often on 2018 BMW X1s than on all cars registered in 2018.

  • Suspension arm bushes and joints1.7× usual
    BMW X1
    5.4% All 2018 cars
    3.2%

    Failed outright at MOT: 0.9%, against 0.5% of all 2018 cars. The rest were advisories or minor defects.

    Rough price £120–£180 (one arm) ClickMechanic

    At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

Better than most

Brake discs: 5% here, against 10.8% of all 2018 cars.

By area

The share of 2018 BMW X1 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    28% 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.

  • Brakes
    12% 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.

  • Suspension
    8% 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.

  • Lights and electrics
    5% of testsRough price £10–£80

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

  • Wipers, windscreen and mirrors
    5% of testsRough price £15–£250

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

  • Seats and seatbelts
    4% of testsRough price £80–£250

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

Looking at a BMW X1?

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Other years

YearMOT testsMost flagged
20227,415Tyres 21%
20217,607Tyres 23%
20207,668Tyres 25%
201913,609Tyres 28%
201713,907Tyres 27%
201612,498Tyres 27%
20154,602Tyres 29%
20147,695Tyres 33%
20137,017Tyres 34%
20125,131Tyres 34%
20115,666Tyres 35%
20104,409Suspension 37%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2018 BMW X1s registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score