2018 BMW I8: common problems and MOT failures
What MOT testers find on the BMW I8 first registered in 2018: we looked at the 1,085 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Common 2018 BMW I8 MOT failures and advisories
The share of 2018 BMW I8 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres25% 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.
- Brakes4% 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 mirrors3% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Lights and electrics2% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Oil and fluid leaks1% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
Questions to ask the seller before buying a 2018 BMW I8
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 I8?
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 I8 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2020 | 207 | Tyres 19% |
| 2019 | 742 | Tyres 22% |
| 2017 | 684 | Tyres 25% |
| 2016 | 1,329 | Tyres 23% |
| 2015 | 1,886 | Tyres 24% |
| 2014 | 582 | Tyres 21% |
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 I8 cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score