Used car guide

2020 BMW 118: common problems and what to check

What gets flagged at MOT on 2020 BMW 118s, from 17,789 tests in 2025, plus known faults and what to look at before you buy one.

17,789MOT tests in 2025
88%pass first time (all 2020 cars: 86%)
7,600typical miles a year
31%had tyres flagged

What gets flagged at MOT

The share of 2020 BMW 118 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    31% 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
    10% 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.

  • Wipers, windscreen and mirrors
    4% of testsRough price £15–£250

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

  • Lights and electrics
    3% of testsRough price £10–£80

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

  • Seats and seatbelts
    2% of testsRough price £80–£250

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

  • 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.

Looking at a BMW 118?

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Other years

YearMOT testsMost flagged
20229,926Tyres 25%
202112,727Tyres 27%
201910,275Tyres 29%
201811,126Tyres 30%
201714,712Tyres 29%
201613,706Tyres 29%
201510,893Tyres 30%
20135,365Tyres 34%
20125,513Tyres 33%
20118,574Tyres 35%
20109,214Suspension 39%
20096,637Suspension 42%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2020 BMW 118s registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score