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 5 MOT tests on record, passing 4 and failing once (80% pass rate). It has 26,634 miles on the clock at the last MOT. The 320i engine is known for 1. coolant system failures (multiple components) and 2. valve cover gasket leaks.
MOT & Mileage History for WN70 MJY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
| Latest reading | 26,634 miles |
| Reading date | |
| Miles last year | -87,655 |
| Mileage consistency | Variable |
Check WN70 MJY
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Full MOT Test History 5 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 | WN70 MJY |
| Make | Bmw |
| Model | 3 Series |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2020 |
| First registered | |
| Area code | WN — Bristol, West of England |
| Age identifier | 70 — September 2020 to February 2021 |
More WN70 M plates
Browse all WN70 M registrations from Bristol.
About WN70 MJY
What car is WN70 MJY?
WN70 MJY is a blue Bmw 3 Series, petrol (1998cc). First registered in Bristol in 2020.
What is the mileage of WN70 MJY?
The last recorded mileage for WN70 MJY was 26,634 miles, recorded on 13 Aug 2026 during its most recent MOT test.
Has WN70 MJY passed its MOT?
WN70 MJY has had 5 MOT tests with an 80% pass rate (4 passes, 1 failure). It last passed on 13 Aug 2026.
Is WN70 MJY ULEZ compliant?
Based on its fuel type and registration year, WN70 MJY 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 WN70 MJY?
WN70 MJY is approximately 6 years old. Age identifier 70 means registered between 1 September 2020 and 28 February 2021.