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 every one. It has 38,757 miles on the clock, averaging 6,258 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 RO20 XLX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Below average| Latest reading | 38,757 miles |
| Reading date | |
| Miles last year | 4,601 |
| Average per year | 6,258 |
| Mileage consistency | Consistent |
Check RO20 XLX
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- Service interval analysis
- Warranty work logged
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
Explore more about the Bmw 3 Series
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Vehicle Details
| Registration | RO20 XLX |
| Make | Bmw |
| Model | 3 Series |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2020 |
| First registered | |
| Area code | RO — Reading, Reading |
| Age identifier | 20 — March 2020 to August 2020 |
More RO20 X plates
Browse all RO20 X registrations from Reading.
About RO20 XLX
What car is RO20 XLX?
RO20 XLX is an grey Bmw 3 Series, petrol (1998cc). First registered in Reading in 2020.
What is the mileage of RO20 XLX?
The last recorded mileage for RO20 XLX was 38,757 miles, recorded on 21 Jul 2026 during its most recent MOT test.
Has RO20 XLX passed its MOT?
RO20 XLX has had 4 MOT tests with an 100% pass rate (4 passes, 0 failures). It last passed on 21 Jul 2026.
Is RO20 XLX ULEZ compliant?
Based on its fuel type and registration year, RO20 XLX 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 RO20 XLX?
RO20 XLX is approximately 6 years old. Age identifier 20 means registered between 1 March 2020 and 31 August 2020.