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.
Check KM21 HSO
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Reported issues for this Bmw X1
These are the most commonly reported problems on Bmw X1 models (2015–2022), based on owner reports and workshop data across the UK.
B38A15
Intake valve carbon buildup
Direct-injection design causes carbon deposits on intake valves and ports, restricting airflow.
Explore more about the Bmw X1
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Vehicle Details
| Registration | KM21 HSO |
| Make | Bmw |
| Model | X1 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1499cc |
| Year | 2021 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KM21 H plates
Browse all KM21 H registrations from Luton.
About KM21 HSO
What car is KM21 HSO?
KM21 HSO is a black Bmw X1, petrol (1499cc). First registered in Luton in 2021.
Is KM21 HSO ULEZ compliant?
Based on its fuel type and registration year, KM21 HSO 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 KM21 HSO?
KM21 HSO is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.