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 2003 Bmw Z4 Petrol 2979cc has had 24 MOT tests on record, passing 15 and failing 9 (63% pass rate). It has 125,733 miles on the clock, averaging 4,963 miles per year, well below the UK average of 7,400.
MOT & Mileage History for KG53 JBY
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 | 125,733 miles |
| Reading date | |
| Miles last year | 3,762 |
| Average per year | 4,963 |
| Mileage consistency | Variable |
Check KG53 JBY
- 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 24 tests on record
Similar cars to consider
Buyers comparing the Bmw Z4 often also look at these models. Check their MOT history and reliability before deciding:
Common faults, what to check, and what to pay
Explore more about the Bmw Z4
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KG53 JBY |
| Make | Bmw |
| Model | Z4 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 2979cc |
| Year | 2003 |
| First registered | |
| Area code | KG — Northampton, Luton and Northampton |
| Age identifier | 53 — September 2003 to February 2004 |
More KG53 J plates
Browse all KG53 J registrations from Northampton.
About KG53 JBY
What car is KG53 JBY?
KG53 JBY is a grey Bmw Z4, petrol (2979cc). First registered in Northampton in 2003.
What is the mileage of KG53 JBY?
The last recorded mileage for KG53 JBY was 125,733 miles, recorded on 29 May 2026 during its most recent MOT test.
Has KG53 JBY passed its MOT?
KG53 JBY has had 24 MOT tests with a 63% pass rate (15 passes, 9 failures). It last passed on 29 May 2026.
Is KG53 JBY ULEZ compliant?
Based on its fuel type and registration year, KG53 JBY is likely not ULEZ compliant. As a petrol vehicle registered in 2003, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KG53 JBY?
KG53 JBY is approximately 23 years old. Age identifier 53 means registered between 1 September 2003 and 28 February 2004.