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 2020 Bmw 3 Series Petrol 1998cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 34,199 miles on the clock, averaging 5,493 miles per year, below the UK average of 7,400. The 320i engine is known for 1. coolant system failures (multiple components) and 2. valve cover gasket leaks.
MOT & Mileage History for RH12 CLH
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 34,199 miles |
| Reading date | |
| Average per year | 5,493 |
| Mileage consistency | Consistent |
Check RH12 CLH
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Full MOT Test History 4 tests on record
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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
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Vehicle Details
| Registration | RH12 CLH |
| Make | Bmw |
| Model | 3 Series |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2020 |
| First registered | |
| Area code | RH — Reading, Reading |
| Age identifier | 12 — March 2012 to August 2012 |
More RH12 C plates
Browse all RH12 C registrations from Reading.
About RH12 CLH
What car is RH12 CLH?
RH12 CLH is an white Bmw 3 Series, petrol (1998cc). First registered in Reading in 2020.
What is the mileage of RH12 CLH?
The last recorded mileage for RH12 CLH was 34,199 miles, recorded on 1 Dec 2025 during its most recent MOT test.
Has RH12 CLH passed its MOT?
RH12 CLH has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 1 Dec 2025.
Is RH12 CLH ULEZ compliant?
Based on its fuel type and registration year, RH12 CLH 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 RH12 CLH?
RH12 CLH is approximately 6 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.