Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2017 Mini One Diesel 1496cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 52,901 miles on the clock, averaging 4,582 miles per year, well below the UK average of 7,400. The 1.5 Diesel engine is known for b37c15a and egr valve.
MOT & Mileage History for EF66 KWR
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 52,901 miles |
| Reading date | |
| Miles last year | 7,026 |
| Average per year | 4,582 |
| Mileage consistency | Consistent |
Check EF66 KWR
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 8 tests on record
Reported issues for this Mini One
These are the most commonly reported problems on Mini One models (2014–2024), based on owner reports and workshop data across the UK.
B37C15A
EGR Valve (Exhaust Gas Recirculation valve)
Clogs with soot/carbon buildup, sticks open/closed.
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Vehicle Details
| Registration | EF66 KWR |
| Make | Mini |
| Model | One |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1496cc |
| Year | 2017 |
| First registered | |
| Area code | EF — Chelmsford, Essex |
| Age identifier | 66 — September 2016 to February 2017 |
More EF66 K plates
Browse all EF66 K registrations from Chelmsford.
About EF66 KWR
What car is EF66 KWR?
EF66 KWR is an grey Mini One, diesel (1496cc). First registered in Chelmsford in 2017.
What is the mileage of EF66 KWR?
The last recorded mileage for EF66 KWR was 52,901 miles, recorded on 4 Mar 2026 during its most recent MOT test.
Has EF66 KWR passed its MOT?
EF66 KWR has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 4 Mar 2026.
Is EF66 KWR ULEZ compliant?
Based on its fuel type and registration year, EF66 KWR is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is EF66 KWR?
EF66 KWR is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.