BMW Z42022 · 2.0L Petrol

The most recent MOT on 27 February 2026 at 21,879 miles returned a clean pass with no defects or advisories recorded. This follows a repair and retest sequence from March 2025, indicating the maintenance trend has moved from problematic to resolved. The vehicle now presents as roadworthy with no outstanding mechanical concerns on official record. Mileage accumulation has been modest and consistent. Between the March 2025 test at 17,216 miles and the February 2026 pass, the vehicle covered approximately 4,663 miles in eleven months, averaging under 425 miles per month. This reinforces the broader pattern of low annual use, with the four-year total of 21,879 miles representing roughly 5,470 miles per year. Such restrained mileage on a 2022 BMW Z4 suggests either limited fair-weather use or extended periods of storage. Low-mileage modern vehicles can develop issues from infrequent operation, including degraded battery charge cycles, flat-spotted tyres, and moisture accumulation in lubrication systems. The data set is sparse, with only two test dates providing mileage anchors, so no rapid accumulation phases or suspicious gaps emerge. The March 2025 failure demands closer attention. The tester identified two serious defects on the nearside rear tyre, a structural bulge indicating ply separation and a cut penetrating to the cords. These are not wear-related failures but point to impact damage or prolonged underinflation, possibly exacerbated by storage conditions or kerb strikes. The same test flagged an oil leak, though classified as not excessive under section 8.4.1. A buyer should inspect the source of this leak carefully, common culprits on BMW B48/B58 engines include the oil filter housing gasket, valve cover gasket, or timing chain cover. Residual oil can degrade rubber mounts and suspension bushings if left unchecked. For a physical inspection, prioritise tyre condition across all four corners, checking for sidewall damage, uneven wear patterns, and date codes indicating age-related degradation. Examine the underbody for oil residue trails and verify fluid levels. Given the low mileage and convertible body style, assess brake disc condition for corrosion scoring from infrequent use, and test for binding calipers after the vehicle has been driven. Suspension components should be checked for seized joints or degraded bushes from limited articulation. The February 2026 clean pass provides confidence, but the 2025 failure pattern warrants verifying that tyre replacement and leak remediation were carried out to thorough standards rather than minimum compliance.