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 2979cc has had 16 MOT tests on record, passing 11 and failing 5 (69% pass rate). It has 154,588 miles on the clock, averaging 10,266 miles per year, above the UK average of 7,400. The 3.0i engine is known for m54 3.0l (m54b30) and water pump and thermostat. Common Bmw 3 Series issues include rear subframe mount cracking (racp failure) and front lower control arm bushings.
MOT & Mileage History for RN52 GRZ
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
Above average| Latest reading | 154,588 miles |
| Reading date | |
| Miles last year | 122 |
| Average per year | 10,266 |
| Mileage consistency | Variable |
Check RN52 GRZ
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Full MOT Test History 16 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).
M54 3.0L (M54B30)
Water pump (engine-driven, plastic impeller type) and thermostat
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | RN52 GRZ |
| Make | Bmw |
| Model | 3 Series |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 2979cc |
| 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 GRZ
What car is RN52 GRZ?
RN52 GRZ is an blue Bmw 3 Series, petrol (2979cc). First registered in Reading in 2003.
What is the mileage of RN52 GRZ?
The last recorded mileage for RN52 GRZ was 154,588 miles, recorded on 6 Oct 2018 during its most recent MOT test.
Has RN52 GRZ passed its MOT?
RN52 GRZ has had 16 MOT tests with a 69% pass rate (11 passes, 5 failures). It last passed on 6 Oct 2018.
Is RN52 GRZ ULEZ compliant?
Based on its fuel type and registration year, RN52 GRZ 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 GRZ?
RN52 GRZ is approximately 23 years old. Age identifier 52 means registered between 1 September 2002 and 28 February 2003.