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2018 BMW 6 Series 3.0L Diesel · 5251 NU

5251 NU

2018 BMW 6 Series (3.0L, diesel). First registered 01 Sept 2018. Recorded mileage 55,925 miles. MOT valid until 06 Jul 2027. Taxed until 01 Feb 2027.

Make & Model
BMW 6 SERIES
Year / Origin
2018
Safety Recall
Unknown
MOT Status
Valid until 06 Jul 2027
Road Tax
Taxed (01 Feb 2027)
Recorded Mileage
55,925 mi
ULEZ Compliance
ULEZ Compliant (Euro 6 Diesel)
Fuel & Engine
DIESEL · 3.0L
Reliability Guide
Common Faults
MOT Status
Valid
Valid until 06 Jul 2027
Tax Status
Taxed
Tax due 01 Feb 2027
Fuel Type
DIESEL
Year
2018
Engine
2993cc
Mechanical Assessment

AI-generated interpretation of this vehicle’s MOT record — not an official statement and not a substitute for an independent inspection.

The vehicle passed its most recent MOT test on 18 June 2026 with no defects recorded. This follows a three-year period of clean passes between 2023, 2024, and 2025. The record shows a significant safety failure on 26 June 2023, just one day before a successful test. The tester flagged three dangerous defects involving the nearside rear inner, offside front outer, and nearside front tyres, all of which showed ply or cords. This failure indicates a lapse in monitoring critical tyre safety condition prior to the 2023 inspection. At 55,925 miles over an eight-year period, the vehicle has averaged approximately 7,000 miles per year. This usage pattern is consistent with typical expectations for a grand tourer of this age. While lower mileage often reduces mechanical wear on drivetrain components and suspension bushings, it can also lead to degradation of rubber-based parts or corrosion from long stationary periods. The 2023 failure suggests that despite the low annual mileage, consumable items were not replaced until they reached a point of dangerous structural failure. The MOT history since the 2023 tyre failure shows a stable trend with no further advisories regarding brakes, suspension components, or structural integrity. However, the record only confirms minimum legal safety standards and does not reflect the state of the engine or electronic components. A buyer should still verify the current condition of the tyres and check for signs of uneven wear, as the previous failure demonstrates that basic maintenance intervals were previously overlooked.
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5251 NU Key Findings

  • 5 MOT tests recorded
  • Latest MOT passed on 18/06/2026
  • 55,925 miles recorded at latest MOT
  • 1 historical MOT failure
  • No defects recorded at the latest MOT
  • Recurring tyres items (3 mentions)

Derived directly from the recorded DVSA and DVLA data shown on this page.

Updating live data

5251 NU MOT History

Vehicle record last updated: 29 Aug 2026, 04:46
MOT Analysis

Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.

5 MOT tests are recorded for this 2018 BMW 6 Series (5251 NU) between June 2023 and June 2026.

The record contains 4 passes and 1 failure.

The most recent test on 18 June 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.

Across all tests, the most frequently flagged areas are: Tyres (3 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.

Recorded failure items include: “Nearside Front Tyre has ply or cords exposed sidewall (5.2.3 (d) (ii))”; “Offside Front Outer Tyre has ply or cords exposed (5.2.3 (d) (ii))”; “Nearside Rear Inner Tyre has ply or cords exposed (5.2.3 (d) (ii))”.

PASS
FAIL
ADVISORY

5251 NU Mileage History

  1. 26/06/202337,745 mi
  2. 27/06/202337,745 mi
  3. 05/07/202442,278 mi+4,533 mi
  4. 08/07/202547,026 mi+4,748 mi
  5. 18/06/202655,925 mi+8,899 mi

Average of roughly 6,104 miles per year across 5 recorded odometer readings.

Technical Specifications

ULEZ Compliant

Diagnostic & Valuation Intelligence

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MOT Roadworthiness Analysis
88
/ 100 · Good
DVSA Test Records Evaluated

MOT Roadworthiness: Good

This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.

✓ Valid MOT
✓ Taxed
✓ Good MOT pass rate (80%)
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Experian Provenance Data

Vehicle Provenance Investigation

9 Key Registers

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OUTSTANDING FINANCE

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INSURANCE WRITE-OFF

MIAFTR Register

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POLICE STOLEN (PNC)

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SALVAGE & AUCTION

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IMPORTED RECORD

Import Register

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EXPORTED MARKER

Export Register

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SCRAPPED RECORD

Scrappage Register

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CERTIFICATE OF DESTRUCTION

Statutory CoD

Confirms whether a statutory Certificate of Destruction has been issued against this chassis.

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V5C LOGBOOK & KEEPERS

DVLA Master

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Direct Manufacturer Service History

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Buyer's Guide & Inspection Advisory

Expert automotive synthesis from historical MOT defect records and market benchmarks.

Buying Score
78/100
Risk Level
Low
Low
Est. Annual Cost
£1,800-£2,400
Mileage
The current mileage of 47,026 is below t...

Our Verdict

A solid option for a premium diesel tourer, provided the service history matches the relatively clean MOT record. The low mileage for a 2018 model makes it an attractive prospect for those seeking a modern 6 Series.

When inspecting this specific 2018 BMW, focus on verifying the service intervals. While the MOT history is relatively clean, the 3.0L diesel engine requires strict adherence to oil change schedules to maintain performance. Ensure that any work related to the single 2023 MOT failure was documented with a receipt.

Negotiate based on the service history rather than the MOT record alone, as the MOT only tests specific safety and environmental parameters. Check for any signs of uneven tyre wear, as tyres are a common failure point for this model type in the wider aggregate data.

As a 3.0L diesel, running costs will be higher than a standard hatchback. You should expect moderate fuel economy suitable for long-distance motorway cruising, but be mindful of the higher tax band and insurance group typically associated with the 6 Series.

Maintenance costs for BMW components can be significant. Budget for premium parts, particularly for braking systems and tyres, which are identified as common failure points in the wider model data. An estimated annual running cost would typically fall in the mid-to-high range for a premium executive vehicle.

Given the aggregate data for this model, pay close attention to the headlamps and tyre condition. The MOT history for this specific vehicle has been largely free of defects since 2024, but you should manually inspect the headlights for any clouding or electrical issues.

Check the brake pads and discs thoroughly. While this vehicle has had no recent brake-related failures, 'service brake excessively' is a top failure reason for this model across the 5,569 vehicles analysed. Additionally, inspect the tyres for tread depth and even wear to ensure they meet safety standards.

This 2018 BMW 6 Series features a 2993cc diesel engine and has covered 47,026 miles as of its last MOT in July 2025. The MOT history shows a consistent pattern of passes, with only one failure recorded in June 2023 at 37,745 miles. The vehicle's mileage is notably lower than the model aggregate average of 8,139 miles per year.

The 6 Series shows an 88.3% average MOT pass rate across 5,569 analysed vehicles, with headlamps, tyres, and brakes being the most frequent failure points.

Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.

Data Sources

DVSA

Official MOT test logs & failure reasons

DVLA

Tax, registration & powertrain specs

Experian

Finance, stolen markers & total loss

AI Analysis

Historical fault & advisory patterns

Plate Neighbors

Batch Registration Neighbors (5251 Series)

Vehicles registered in the same regional DVLA batch as 5251NU.

View all 5251 series →