BMW 3 SERIES2015 · 3.0L DIESEL

The vehicle remains roadworthy but exhibits a stable pattern of minor maintenance issues. The most recent 2025-09-26 MOT at 121,232 miles recorded non-critical defects, including a rear differential oil leak, light shock absorber oil misting, and slightly worn rear brake discs. These findings suggest routine wear rather than urgent mechanical failure. Previous tests from 2023 and 2024 highlighted suspension bush wear and tyre tread nearing legal limits, indicating consistent but manageable maintenance needs. No major structural or safety-critical faults were noted in the latest assessment. The mileage progression aligns with typical usage for an 11-year-old vehicle, averaging 11,021 miles annually. Tests spaced 12 months apart from 2022 to 2025 show no abrupt mileage spikes or extended periods of inactivity. The 2022-09-26 failure for nearside rear tyre tread depth below 1.6mm contrasts with the subsequent 2023-09-18 pass, suggesting corrective action was taken. The absence of major defects in the 2022 test implies prior owners maintained baseline compliance, though recurring tyre and suspension issues hint at inconsistent attention to consumables. A buyer should prioritise inspecting the suspension system for further bush wear, particularly on the nearside front and offside front components flagged in 2023. The rear differential oil leak and shock absorber misting warrant checking for seal integrity and potential fluid loss. Brake disc thickness and condition should be verified, as well as tyre tread depth and wear patterns, given past issues with feathering and edge wear. Corrosion on underbody components and exhaust system integrity may also require scrutiny, as these are common long-term concerns for vehicles of this age.