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 Diesel 2993cc has had 20 MOT tests on record, passing 14 and failing 6 (70% pass rate). It has 235,109 miles on the clock, averaging 9,911 miles per year, above the UK average of 7,400. Common Bmw 3 Series issues include rear subframe mount cracking (racp failure) and front lower control arm bushings.
MOT & Mileage History for KB04 FBY
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 | 235,109 miles |
| Reading date | |
| Miles last year | 9,037 |
| Average per year | 9,911 |
| Mileage consistency | Variable |
Check KB04 FBY
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 20 tests on record
Similar cars to consider
Buyers comparing the Bmw 3 Series often also look at these models. Check their MOT history and reliability before deciding:
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).
Common faults, what to check, and what to pay
Explore more about the Bmw 3 Series
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KB04 FBY |
| Make | Bmw |
| Model | 3 Series |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 2993cc |
| Year | 2004 |
| First registered | |
| Area code | KB — Northampton, Luton and Northampton |
| Age identifier | 04 — March 2004 to August 2004 |
More KB04 F plates
Browse all KB04 F registrations from Northampton.
About KB04 FBY
What car is KB04 FBY?
KB04 FBY is a blue Bmw 3 Series, diesel (2993cc). First registered in Northampton in 2004.
What is the mileage of KB04 FBY?
The last recorded mileage for KB04 FBY was 235,109 miles, recorded on 23 Oct 2021 during its most recent MOT test.
Has KB04 FBY passed its MOT?
KB04 FBY has had 20 MOT tests with a 70% pass rate (14 passes, 6 failures). It last passed on 23 Oct 2021.
Is KB04 FBY ULEZ compliant?
Based on its fuel type and registration year, KB04 FBY is likely not ULEZ compliant. As a diesel vehicle registered in 2004, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KB04 FBY?
KB04 FBY is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.