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 2004 Bmw 3 Series Petrol 2494cc has had 23 MOT tests on record, passing 19 and failing 4 (83% pass rate). It has 90,148 miles on the clock, averaging 3,613 miles per year, well 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 KW04 WBU
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
Low mileage| Latest reading | 90,148 miles |
| Reading date | |
| Miles last year | 26 |
| Average per year | 3,613 |
| Mileage consistency | Variable |
Check KW04 WBU
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Full MOT Test History 23 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 | KW04 WBU |
| Make | Bmw |
| Model | 3 Series |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 2494cc |
| Year | 2004 |
| First registered | |
| Area code | KW — Luton, Luton and Northampton |
| Age identifier | 04 — March 2004 to August 2004 |
More KW04 W plates
Browse all KW04 W registrations from Luton.
About KW04 WBU
What car is KW04 WBU?
KW04 WBU is a silver Bmw 3 Series, petrol (2494cc). First registered in Luton in 2004.
What is the mileage of KW04 WBU?
The last recorded mileage for KW04 WBU was 90,148 miles, recorded on 21 Jan 2026 during its most recent MOT test.
Has KW04 WBU passed its MOT?
KW04 WBU has had 23 MOT tests with an 83% pass rate (19 passes, 4 failures). It last passed on 21 Jan 2026.
Is KW04 WBU ULEZ compliant?
Based on its fuel type and registration year, KW04 WBU is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KW04 WBU?
KW04 WBU is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.