1999 BMW 540 4.4L Petrol · T6 AUS

The vehicle is currently roadworthy, but the maintenance trend indicates a reactive rather than proactive approach. While the most recent test in January 2026 at 127,782 miles resulted in a pass, the parking brake efficiency only marginally met the legal threshold. This follows a failure in early 2025 where the engine failed carbon monoxide emission tests. Although the emissions issues appear to have been resolved, the marginal pass on the parking brake suggests the braking system is beginning to require mechanical attention or component replacement. The mileage profile is notably low for a 27-year-old vehicle, averaging approximately 4,700 miles per year. There is a significant eight-year gap in the records between the October 2017 test and the January 2025 test, during which the car covered only 5,739 miles. This pattern of extremely infrequent use often leads to age-related degradation of rubber components, seals, and surface corrosion on metal parts, which is consistent with the reports of pitted brake discs and fuel pipe corrosion noted in 2017. A buyer must conduct a thorough physical inspection of the braking system and fuel delivery. The 2017 records highlight recurring issues with fluctuating front brakes, thin pads, and low handbrake performance, which persist in some form in the latest data. The previously noted corrosion on the rear fuel pipe should be inspected for structural integrity to ensure no leaks have developed due to age. Additionally, the 2025 emission failure warrants a check of the oxygen sensors and ignition management system to ensure the engine remains tuned to manufacturer parameters.