2013 Infiniti M 3.0L Diesel · LL63 YMP

The most recent MOT test results show the vehicle passed on 2024-12-05, following a previous failure on the same date due to a major defect—specifically, an inoperative registration plate lamp—which would have rendered the car unsafe for road use. While the latest test was clean, the recurring minor lamp colour faults and the persistent advisory of the engine being just on the dipstick suggest a pattern of either minor electrical or wiring issues or a potential fuel system concern that has not been fully resolved. The advisories from prior MOTs, including rear tyre wear nearing legal limits, slight play in rear anti-roll bar ball joints, and various child seat-related issues, indicate a vehicle that has encountered wear-related and practical maintenance challenges over its lifespan. This history does not demonstrate a clear improvement in maintenance stability, and while the vehicle has passed recent tests, the presence of unresolved advisories and potential underlying mechanical wear warrants careful attention. The vehicle’s mileage of 87,520 miles at 13 years old represents a moderate annual usage rate of approximately 6,732 miles per year, which is typical for a car of this age and class. However, the absence of a service history or detailed maintenance records makes it challenging to determine whether the mileage accumulation has been gradual or if there have been periods of prolonged inactivity. Prolonged standing can exacerbate issues such as brake corrosion, suspension binding, and fluid degradation, which may explain the recurring advisories related to rear tyres nearing legal limits and the need for child seat adjustments that prevent full inspection of adult belts. Additionally, the engine advisory—particularly if it persists—could indicate a need for closer inspection of fuel system components, fuel injectors, or ignition timing, which may be more pronounced with extended periods without use. For a prospective buyer, the most critical areas to inspect during a physical examination include the rear tyres, as the advisories from previous MOTs suggest wear close to the legal limit, which could compromise traction and handling. Look for uneven wear patterns, which may indicate misalignment, suspension issues, or incorrect load distribution. On a test drive, listen for unusual noises from the rear suspension, particularly clunks or rattles, which could signal worn anti-roll bar linkages or ball joints with excessive play. The registration plate lamp issue, while not a safety hazard during the test drive, should be addressed promptly to avoid further MOT failures, as the lamp’s inoperability is a major defect. Check for any signs of fluid leaks around the engine bay, particularly around the dipstick area, as persistent oil or fuel leaks could lead to further engine advisories or potential failure. The electrical system should also be scrutinised, especially the side lamps and any associated wiring, as the recurring minor faults suggest potential wiring harness issues or faulty bulbs that may need replacement. Given the vehicle’s age and the advisories related to child seat accessibility, ensure that any rear seats are securely fitted and do not obstruct the driver’s view, as this could be a recurring cause of MOT failures. The suspension advisories from previous tests, particularly the slight play in the rear anti-roll bar ball joints, indicate that these components may require closer inspection for wear or damage. On a test drive, pay attention to the vehicle’s handling and suspension response, noting any excessive bouncing, binding, or uneven ride quality, which could signal further wear in the suspension bushes or springs. Additionally, check the condition of the tyres for signs of sidewall perishing, which can occur even with moderate mileage if the vehicle has been stored for extended periods without use. Finally, consider a professional inspection of the engine bay to verify the engine oil level and condition, as the persistent advisory of the engine being just on the dipstick may warrant a check for oil consumption or potential leaks that could lead to further mechanical issues.