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 HN20 BHD
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- Warranty work logged
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Reported issues for this Bmw 3 Series
These are the most commonly reported problems on Bmw 3 Series models (2019–2024), based on owner reports and workshop data across the UK.
1. Coolant System Failures (Multiple Components)
The B48 uses a **mechanical water pump with a plastic impeller prone to cracking**, leading to reduced coolant circulation. The **thermostat housing is also plastic and prone to cracking from heat stress**. Hoses become brittle, radiators leak, and the turbo coolant return line develops leaks. These failures cascade—if the engine can't cool itself, oil and turbo temperatures rise, accelerating other failures.[1][2]
2. Valve Cover Gasket Leaks
The valve cover gasket deteriorates and begins to weep oil, typically as a result of heat cycling and age rather than a design flaw.[1][2]
Common faults, what to check, and what to pay
Explore more about the Bmw 3 Series
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Vehicle Details
| Registration | HN20 BHD |
| Make | Bmw |
| Model | 3 Series |
| Colour | Orange |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2020 |
| First registered | |
| Area code | HN — Portsmouth, Hampshire and Dorset |
| Age identifier | 20 — March 2020 to August 2020 |
More HN20 B plates
Browse all HN20 B registrations from Portsmouth.
About HN20 BHD
What car is HN20 BHD?
HN20 BHD is an orange Bmw 3 Series, petrol (1998cc). First registered in Portsmouth in 2020.
Is HN20 BHD ULEZ compliant?
Based on its fuel type and registration year, HN20 BHD 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 HN20 BHD?
HN20 BHD is approximately 6 years old. Age identifier 20 means registered between 1 March 2020 and 31 August 2020.