2004 BMW Z42.5L Petrol

The 2004 BMW Z4 has maintained a consistent MOT pass record across five consecutive tests, with the most recent inspection on 27 May 2025 at 93,121 miles confirming no defects. This suggests the vehicle has avoided major mechanical failures or recurring issues during the testing period, though the absence of advisories or defects does not preclude hidden wear. The regularity of passes—spaced roughly 12 months apart—indicates compliance with the annual MOT cycle, though the final test was conducted just over two months ago, leaving it within the current validity window. No advisory notes or repeat failures appear, which would otherwise signal neglect or underlying problems. The recorded mileage of 93,121 miles over 22 years reflects an exceptionally low annual average of approximately 4,233 miles, well below the typical wear expected for a road-registered vehicle of this age. The most notable gap in mileage accumulation occurs between the October 2021 test (90,813 miles) and the May 2022 test (91,277 miles), a span of seven months with just 464 miles logged—a pattern that may suggest prolonged storage or limited use. Subsequent mileage increments remain similarly modest, with only 1,224 miles added between May 2022 and May 2023, and 651 miles between May 2023 and May 2024. While this low mileage could imply gentler usage, it also raises questions about the vehicle’s exposure to environmental factors like corrosion or suspension degradation from extended periods of inactivity. Given the lack of recorded defects, a buyer should prioritise an in-person inspection of high-wear components that are not routinely tested under MOT standards. The suspension—particularly the rear coil springs, bushes, and track rods—should be examined for dry rot or excessive play, as low mileage does not guarantee these elements have been serviced. Brake calipers and pads, though not flagged in MOTs, may exhibit uneven wear or binding if the vehicle has been stationary for extended periods, leading to seized pistons or corrosion. Structural integrity is another concern; the chassis and wheel arches should be inspected for corrosion, especially around the rear subframe and sills, where salt ingress could have occurred despite limited driving. Finally, the exhaust system warrants close scrutiny for leaks or rust, as catalytic converter efficiency is not directly tested under MOT but can fail silently over time.