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 2003 Bmw 3 Series Petrol 2494cc has had 27 MOT tests on record, passing 17 and failing 10 (63% pass rate). It has 132,757 miles on the clock, averaging 6,484 miles per year, below the UK average of 7,400. The 2.5i engine is known for m54b25. Common Bmw 3 Series issues include rear subframe mount cracking (racp failure) and front lower control arm bushings.
MOT & Mileage History for RN52 GNX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 132,757 miles |
| Reading date | |
| Miles last year | 7,808 |
| Average per year | 6,484 |
| Mileage consistency | Variable |
Check RN52 GNX
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Full MOT Test History 27 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 (1998–2006), based on owner reports and workshop data across the UK.
Rear Subframe Mount Cracking (RACP Failure)
Fatigue cracks develop at the mounting points due to corrosion and stress; BMW's foam injection "fix" often fails, leading to subframe tearing. Affects **ALL body styles** (saloon, estate, coupe, convertible). · Typical repair: £800-£2,000 (reinforcement plates + welding at indie BMW specialist; foam fix £300 but inadequate).
Front Lower Control Arm Bushings
Rubber cracks/splits, causing excessive movement. Affects **ALL body styles**. · Typical repair: £200-£400 (bush press + alignment at indie).
Window Regulators
Cables fray or pulleys break, jamming mechanism. Affects **ALL body styles** (worse on coupes/convertibles with frameless windows). · Typical repair: £150-£300 per door (regulator + motor at indie).
Cooling System Leaks (Non-Engine Specific)
Plastic cracks from age/heat cycles; excludes water pump (engine-related). Affects **ALL body styles**. · Typical repair: £150-£350 (tank + hoses).
M54B25
Diaphragm ruptures or hoses clog, pressurising crankcase and pushing oil into intake.
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | RN52 GNX |
| Make | Bmw |
| Model | 3 Series |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 2494cc |
| Year | 2003 |
| First registered | |
| Area code | RN — Reading, Reading |
| Age identifier | 52 — September 2002 to February 2003 |
More RN52 G plates
Browse all RN52 G registrations from Reading.
About RN52 GNX
What car is RN52 GNX?
RN52 GNX is an black Bmw 3 Series, petrol (2494cc). First registered in Reading in 2003.
What is the mileage of RN52 GNX?
The last recorded mileage for RN52 GNX was 132,757 miles, recorded on 22 May 2026 during its most recent MOT test.
Has RN52 GNX passed its MOT?
RN52 GNX has had 27 MOT tests with a 63% pass rate (17 passes, 10 failures). It last passed on 22 May 2026.
Is RN52 GNX ULEZ compliant?
Based on its fuel type and registration year, RN52 GNX is likely not ULEZ compliant. As a petrol vehicle registered in 2003, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is RN52 GNX?
RN52 GNX is approximately 23 years old. Age identifier 52 means registered between 1 September 2002 and 28 February 2003.