2015 BMW 428 2.0L Petrol · EF15 HJC

The 2015 BMW 428 presents a generally stable mechanical condition, culminating in a pass at its most recent test on 18 July 2025 at 64,307 miles. The maintenance trend shows a resolving pattern for critical components, though underlying corrosion and wear persist. A significant failure on 27 July 2024 at 60,566 miles for parking brake efficiency indicates neglect of basic mechanical checks, likely stemming from the vehicle standing for extended periods. Subsequent repairs resolved this issue, allowing the car to pass the following month. The tester flagged that undertrays were fitted during the 2025 test, obscuring the undercarriage and warranting physical inspection to verify structural integrity. Covering roughly 5,846 miles per year, this 428 falls well below the UK average, pointing to light usage or prolonged periods of inactivity. The mileage accumulation between the August 2023 test at 55,801 miles and the August 2024 test at 60,629 miles shows a moderate increase of 4,828 miles over that twelve-month span. However, the mere 3,678 miles covered between August 2024 and the July 2025 test suggests a recent drop in usage or another period of sitting. Low-mileage vehicles often suffer from deteriorated consumables and corrosion due to lack of regular use, rather than high-mileage wear and tear. Inspect the rear suspension and braking components closely. The August 2023 tests at 55,798 and 55,801 miles flagged nearside rear brake discs worn to the point of failure and both rear shock absorbers exhibiting external casing corrosion. The rear bump stops were also perishing, a condition that compromises ride height and damping if left unaddressed. While the car passed these items in 2024 and 2025, the corrosion on the shock casings remains a long-term risk, potentially leading to structural failure. The central front oil leak, flagged in 2023, requires verification to ensure it has not worsened. Examine the offside rear tyre for sidewall damage, as a cut noted in 2023 could have deepened. Check the parking brake mechanism thoroughly, given the 2024 failure for efficiency below requirements, as seized cables or binding calipers often plague vehicles that sit idle.