2009 BMW 525 2.0L Diesel · YC59 UPZ

The vehicle remains roadworthy, but the maintenance trend shows a concerning pattern of deferred attention to consumables and rubber. The most recent test in November 2025 at 138,732 miles flagged multiple advisories related to tyre wear, damage, and brake components. While the car passed, the presence of a severely deteriorated nearside rear CV boot and worn tyres across multiple axles suggests that the owner is only addressing faults once they approach or reach failure thresholds rather than performing preventative maintenance. At 138,732 miles over 17 years, the BMW covers an average of approximately 8,160 miles per year, which is consistent with typical UK usage for its age. The record shows steady usage intervals, with roughly 4,800 miles covered between November 2024 and November 2025. However, the gap between the July 2022 and November 2023 tests is irregular, and the failure at 117,009 miles due to tyre tread below the legal limit indicates a period where the vehicle was likely driven with substandard equipment before the issue was rectified. A buyer must inspect the nearside rear CV boot immediately, as the recorded deterioration will lead to drive joint failure and potential grease loss if not replaced. The history shows a progression of thin pads in 2024 followed by worn discs in 2025, indicating the front braking system is nearing the end of its service life. Furthermore, the corrosion on suspension components noted in 2022 requires a close physical inspection of the underbody and inner arches to ensure that surface rust has not progressed into structural weakness. The previously noted oil leak from 2024 should also be monitored for increased volume to ensure it remains non-excessive.