2009 BMW 730 3.0L Diesel · BN09 UBZ

High mileage accumulation and a recent trend of emerging wear items define the mechanical profile of this vehicle, which passed its most recent test on 2 December 2025. While the record shows several years of clean passes between 2018 and 2024, the most recent inspection introduced both a minor windscreen defect and an advisory regarding an offside rear tyre being worn close to the legal limit or worn on the edge. This shift from a period of no recorded defects to the appearance of wear-related advisories and minor damage suggests that the vehicle is entering a phase where consumable components and glass integrity require closer monitoring. The vehicle has covered 307,685 miles over its seventeen-year lifespan, representing a significant annual average of approximately 18,099 miles. This high-intensity usage pattern indicates a vehicle that has been driven consistently on a regular basis rather than sitting idle for long periods. Mechanically, this level of mileage places substantial cumulative stress on all moving parts, including the drivetrain, suspension bushings, and braking systems. Prospective buyers should account for the fact that high-mileage vehicles typically experience more advanced wear on structural and mechanical components due to the sheer volume of cycles and friction encountered over hundreds of thousands of miles. Specific attention should be directed toward the exhaust system and tyre condition during a physical inspection and test drive. A minor exhaust gas leak was flagged as an advisory in November 2021, so it is necessary to listen for any unusual rhythmic ticking or increased engine note that might indicate a developing leak in the manifold or exhaust pipework. Regarding the tyre advisory from the December 2025 test, the offside rear tyre showed uneven wear on the edge, which can be a symptom of incorrect tyre pressure, misalignment, or worn suspension components such as control arms or bushes. On a test drive, check for any pulling to one side under braking or steering, or any vibration through the chassis that might suggest underlying geometry issues. The minor windscreen damage noted in the latest report should be inspected to ensure no chips or cracks are positioned within the driver's primary field of vision, as these can expand due to temperature fluctuations. Given the high mileage, a thorough check of the braking system is also advised to ensure there is no pedal judder or binding, which would complement the inspection of the tyres and exhaust. The mechanical history shows a relatively stable period of roadworthiness, but the recent transition to recorded advisories necessitates a cautious approach to the current state of the vehicle's consumables and minor structural components.