2004 BMW 645 4.4L Petrol · X6 MKJ

The most recent MOT test in November 2023 resulted in a pass, although the vehicle initially failed due to a missing road wheel fixing. The overall maintenance trend appears stable but reactive, as the vehicle consistently passes its tests while carrying multiple advisories. There is a recurring pattern of neglected consumables, particularly tyres and brake pads, alongside historical concerns regarding oil leaks and engine emissions. This suggests a maintenance regime focused on minimum legal compliance rather than comprehensive preventative care. At approximately 22 years of age with 110,429 recorded miles, the vehicle has averaged roughly 5,020 miles per year. This is considered low usage for a grand tourer of this vintage. While this suggests less mechanical wear on the drivetrain and interior, low-mileage vehicles often suffer from issues related to long periods of standing. Potential risks include the perishing of rubber bushings and seals, the degradation of fluids based on time rather than distance, and the possibility of binding brake calipers or surface corrosion on the underside of the chassis. The MOT history reveals significant engine-related concerns that require close inspection. Previous advisories for an excessive oil leak and blue smoke during acceleration are indicative of potential oil consumption issues, often linked to worn valve stem seals or piston rings in these engines. A buyer should carefully inspect the engine bay and the area beneath the sump for fresh oil residue and monitor the exhaust for blue tints during hard acceleration. Additionally, the historical mention of an Engine Management Light suggests electrical or sensor faults; a full OBD-II diagnostic scan is strongly recommended to ensure no current or pending faults are present. Regarding the chassis and running gear, the recurring advisories for worn tyres, specifically on the offside rear, may point to wheel misalignment or suspension geometry issues. During a test drive, listen for clunks or knocks from the front suspension, as previous reports of deteriorating anti-roll bar linkage dust covers suggest these components may be nearing the end of their service life. Inspect all tyre sidewalls for age-related cracking or perishing, and check the brake hoses for further deterioration. Finally, verify the service records to ensure that calendar-based maintenance, such as brake fluid and coolant flushes, has been performed despite the low annual mileage.