2009 BMW 3 Series 2.5L Petrol · SM09 HDG

The 2009 BMW 3 Series presents a mixed maintenance picture. The most recent MOT in September 2025 at 92,725 miles passed, but flagged inner tyre wear close to the legal limit on all four wheels and a minor rear oil leak. These are not immediate failures, yet they indicate the car is entering its next service cycle with consumables and a weeping component requiring attention. The trend is neither clearly worsening nor fully resolving. The rear oil leak is new, while the tyre wear suggests alignment or tracking may have drifted over the preceding months. The mileage pattern tells a story of very light use. Between August 2021 and September 2025, the car covered roughly 24,880 miles over four years, averaging just over 6,200 miles annually. That is well below the typical 8,000 to 12,000 miles expected for a vehicle of this age. The annual increments are fairly consistent, with no sudden jumps or suspicious gaps, suggesting steady but gentle use rather than long periods of standing. Low mileage generally benefits the drivetrain and reduces wear on major components, but it can mask deferred maintenance if fluids and rubber parts age regardless of use. The recurring advisory on the nearside front shock absorber, noted as a light misting of oil in both September 2022 and September 2023, did not reappear in the 2024 or 2025 records. This could mean the unit was replaced, or the misting remained below the threshold for a formal advisory. A buyer should still inspect the front suspension closely. Check for uneven tyre wear, knocking over bumps, and any fresh oil misting on the shock body. The rear oil leak flagged in 2025, though described as not excessive, warrants investigation. Common sources on this model include the valve cover gasket, oil filter housing gasket, or rear main seal. A visual check underneath, looking for wetness around the gearbox bell housing and engine block interface, is essential. The tyre wear advisory is significant. Inner edge wear on both axles points to excessive negative camber or prolonged under-inflation. This is not just a tyre issue; it suggests suspension geometry may be out of specification, possibly from worn bushes or a bent component. A four-wheel alignment check should be part of any pre-purchase inspection. While the car has no structural corrosion or braking defects on record, the combination of a fresh oil leak, advanced tyre wear, and a historic shock absorber advisory means a thorough underbody and suspension inspection is strongly advised before committing to purchase.