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 13 MOT tests on record, passing every one. It has 171,439 miles on the clock, averaging 11,148 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 OU53 RZN
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 | 171,439 miles |
| Reading date | |
| Miles last year | 14,376 |
| Average per year | 11,148 |
| Mileage consistency | Variable |
Check OU53 RZN
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Full MOT Test History 13 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
Explore more about the Bmw 3 Series
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Vehicle Details
| Registration | OU53 RZN |
| Make | Bmw |
| Model | 3 Series |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 2979cc |
| Year | 2003 |
| First registered | |
| Area code | OU — Oxford, Oxford |
| Age identifier | 53 — September 2003 to February 2004 |
More OU53 R plates
Browse all OU53 R registrations from Oxford.
About OU53 RZN
What car is OU53 RZN?
OU53 RZN is an silver Bmw 3 Series, petrol (2979cc). First registered in Oxford in 2003.
What is the mileage of OU53 RZN?
The last recorded mileage for OU53 RZN was 171,439 miles, recorded on 3 Apr 2018 during its most recent MOT test.
Has OU53 RZN passed its MOT?
OU53 RZN has had 13 MOT tests with an 100% pass rate (13 passes, 0 failures). It last passed on 3 Apr 2018.
Is OU53 RZN ULEZ compliant?
Based on its fuel type and registration year, OU53 RZN 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 OU53 RZN?
OU53 RZN is approximately 23 years old. Age identifier 53 means registered between 1 September 2003 and 28 February 2004.