2001 BMW M5 4.9L Petrol · EX51 FDO

The vehicle presents a stable roadworthiness profile following a period of significant mechanical volatility. The most recent test on 6 September 2025 at 176,932 miles resulted in a clean pass with no defects recorded. This follows a successful test in August 2023 at 172,035 miles, suggesting that the substantial mechanical and safety issues identified during the March 2023 failure have been effectively rectified. The transition from a high-failure state in 2023 to two consecutive clean passes indicates an improving maintenance trend. The mileage accumulation is consistent with a vehicle of this age, averaging approximately 7,000 miles per year. The data shows steady usage, with no significant periods of long-term storage or sudden surges in mileage. Between the 2022 test at 169,185 miles and the 2025 test at 176,932 miles, the car has covered roughly 7,800 miles, which aligns with the historical pattern. While the record is comprehensive, the gaps between tests are standard for a vehicle in regular use. A prospective buyer should focus inspections on the exhaust and emissions systems, as carbon monoxide and lambda reading failures appeared repeatedly in 2012, 2013, 2014, and 2023. This recurring issue suggests a potential long-term sensitivity in the engine management or catalytic converter. The March 2023 failure also highlighted serious concerns regarding seat belt anchorage strength and excessive corrosion on the offside rear brake pipe. Although these were cleared in subsequent tests, the presence of structural corrosion and SRS warning lamp faults warrants a thorough physical check of the chassis and airbag systems. Suspension and tyre wear also require scrutiny. The history shows multiple instances of tyres wearing on inner edges, specifically in 2013 and 2017, which often points to alignment issues or worn suspension bushes. Additionally, the 2017 and 2018 records noted issues with rear brake discs and parking brake travel. While the 2025 record is clear, the buyer should verify that the braking system and steering geometry remain within specification to ensure the recent improvements are sustained.