2021 BMW 2 Series: common problems and MOT failures
What MOT testers find on the BMW 2 Series first registered in 2021: we looked at the 606 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Common 2021 BMW 2 Series MOT failures and advisories
The share of 2021 BMW 2 Series MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres19% 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.
- Lights and electrics5% 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 mirrors3% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Brakes3% 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.
- Suspension1% 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 2 Series
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.
- Diesel
Blocked particulate filter (diesel)
Diesels mostly used for short trips can block their particulate filter.
At the viewing: Ask how the car was used, and watch for a DPF warning.
Source: What Car?: used BMW 2 Series Active Tourer (2014-2021) reliability
- All engines
Trim and electrical faults
Interior trim was the most common complaint in What Car?'s survey, then electrics and infotainment. On the Active Tourer the boot floor panel can come loose and its plastic flaps break.
At the viewing: Check the boot floor and test the screen and electrics.
Source: What Car?: used BMW 2 Series Active Tourer (2014-2021) reliability
Questions to ask the seller before buying a 2021 BMW 2 Series
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Can I see the service history and receipts for any big jobs?
Looking at a BMW 2 Series?
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 2 Series compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | – | Too new for MOT data |
| 2022 | – | Too few tests |
| 2020 | 6,057 | Tyres 19% |
| 2019 | 10,522 | Tyres 22% |
| 2018 | 20,494 | Tyres 27% |
| 2017 | 10,222 | Tyres 24% |
| 2016 | 6,705 | Tyres 24% |
| 2015 | 4,530 | Tyres 25% |
| 2014 | 3,103 | Tyres 26% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of BMW 2 Series cars first registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score