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 2012 Mini Cooper S Petrol 1598cc has had 13 MOT tests on record, passing 10 and failing 3 (77% pass rate). It has 32,704 miles on the clock, averaging 2,094 miles per year, well below the UK average of 7,400. The 1.6 N14 Turbo engine is known for n14b16. Common Mini Cooper S issues include 1. door latch failure (rear doors) and 2. headlight height adjustment malfunction.
MOT & Mileage History for KN12 ONW
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Low mileage| Latest reading | 32,704 miles |
| Reading date | |
| Average per year | 2,094 |
| Mileage consistency | Consistent |
Check KN12 ONW
- 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 13 tests on record
Reported issues for this Mini Cooper S
These are the most commonly reported problems on Mini Cooper S models (2007–2013), based on owner reports and workshop data across the UK.
1. Door Latch Failure (Rear Doors)
The rear door latches fail, preventing doors from opening or closing reliably.[2][5] · Typical repair: £150–£400 per latch (parts and labour at independent garage, estimated)
2. Headlight Height Adjustment Malfunction
The motorised headlight levelling system fails, causing headlights to randomly raise and lower beam height while driving.[1] · Typical repair: £200–£500 (motor replacement plus alignment, estimated)
3. Water Pump Failure
Water pump fails, causing loss of coolant circulation and potential engine overheating.[1][2][3] · Typical repair: £300–£600 (pump replacement including labour, estimated)
4. Valve Cover Oil Leaks
Oil seals at valve cover corners degrade and fail, allowing oil to leak onto the engine and exhaust system.[2] · Typical repair: £150–£350 (gasket replacement and cleaning, estimated)
N14B16
High oil burn (piston rings/valve seals), starves timing components of lubrication.
Common faults, what to check, and what to pay
Explore more about the Mini Cooper S
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KN12 ONW |
| Make | Mini |
| Model | Cooper S |
| Colour | Orange |
| Fuel type | Petrol |
| Engine | 1598cc |
| Year | 2012 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 12 — March 2012 to August 2012 |
More KN12 O plates
Browse all KN12 O registrations from Luton.
About KN12 ONW
What car is KN12 ONW?
KN12 ONW is a orange Mini Cooper S, petrol (1598cc). First registered in Luton in 2012.
What is the mileage of KN12 ONW?
The last recorded mileage for KN12 ONW was 32,704 miles, recorded on 29 Jan 2026 during its most recent MOT test.
Has KN12 ONW passed its MOT?
KN12 ONW has had 13 MOT tests with a 77% pass rate (10 passes, 3 failures). It last passed on 29 Jan 2026.
Is KN12 ONW ULEZ compliant?
Based on its fuel type and registration year, KN12 ONW is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN12 ONW?
KN12 ONW is approximately 14 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.