2003 BMW Z4 3.0L Petrol · T666 AAL

The most recent MOT test on 25 August 2026 shows a pass with no recorded defects, indicating the vehicle met minimum standards at that time. However, the maintenance trend shows significant fluctuations in mechanical integrity. The record moved from a pass in 2024 to a dangerous failure on 09 September 2024, which flagged a fractured offside rear anti-roll bar linkage and an insecure nearside front Macpherson strut attachment bracket. While the vehicle passed again in 2025, the emergence of multiple advisories suggests a period of mechanical decline rather than a stable maintenance pattern. The vehicle has covered 110,015 miles over its 23-year lifespan, averaging approximately 4,783 miles per year. This represents low annual usage for a vehicle of this age. The MOT data shows consistent annual testing, with the most recent test occurring only five days prior to the current date. There are no significant gaps in the testing history between 2023 and 2026, though the low mileage could imply the vehicle has spent extended periods stationary, which often contributes to the types of corrosion noted in the records. A physical inspection should prioritise the structural and suspension components flagged in previous tests. The 09 September 2025 test recorded advisories for a corroded rear sub-frame, a corroded offside front coil spring, and play in the offside front steering rack inner joints. Although the 2026 test recorded no defects, the presence of sub-frame corrosion is a long-term structural concern that requires close monitoring to ensure it does not progress to a serious weakness. Prospective buyers should also verify the integrity of the front suspension mounting points, given the dangerous failure regarding the Macpherson strut bracket in September 2024. Checking the condition of all rubber bushes, steering linkages, and the extent of oxidation on the sub-frame and coil springs is necessary to determine if the issues identified in 2025 have been addressed or if they remain present despite the recent pass. buying_score: 55 risk_level: Medium.