2004 BMW Z4 2.2L Petrol · GD04 XRC

The vehicle most recently passed its MOT on 23 January 2026, which is the latest official DVSA outcome on record for this 2004 BMW Z4. However, it is worth noting that the same date also shows a recorded failed test, along with a further failure on 15 January 2026 and an earlier failure on 22 January 2025 which was subsequently followed by a pass on 27 January 2025. This pattern of consecutive failures immediately prior to passing suggests the vehicle required remedial work to clear the test, rather than passing first time. While the absence of recorded defects prevents a precise diagnosis, the trend indicates a need for careful scrutiny of any recent repair invoices, the underlying causes of those failures, and confirmation that the work carried out has been thorough and durable rather than a short-term fix. With 71,884 miles recorded over approximately 22 years, this Z4 has covered an annual average of around 3,267 miles, which is exceptionally low and consistent with either limited leisure use or extended periods of standing. Such low annual mileage can be advantageous in preserving major drivetrain components, but it brings its own mechanical concerns, particularly regarding corrosion of brake discs from infrequent use, potential binding of brake calipers, deterioration of oil seals and gaskets through lack of regular circulation, and possible moisture accumulation in the fuel system and differential. Conversely, the mileage gaps between tests are not unusual for a low-use vehicle, but a prospective buyer should establish whether the car has been regularly serviced despite low mileage, as time-based servicing intervals remain critical regardless of distance covered. Given the clean defect record but the low-mileage, age-related profile, a physical inspection should focus on age-sensitive items rather than high-wear components. The tyres warrant close examination for sidewall cracking or perishing caused by UV exposure and age, particularly as rubber compounds degrade over time even when tread depth remains adequate; a tyre older than six years from its DOT date stamp should be viewed with caution regardless of its condition. The 12V battery is highly likely to be due for replacement given the vehicle's age, and the braking system should be inspected for surface corrosion on the discs and any signs of seized caliper sliders or handbrake mechanisms, which commonly deteriorate on cars that see limited use. All fluid systems including engine oil, coolant, brake fluid, and the manual or automatic transmission fluid should be treated as due for renewal based on calendar age, as brake fluid in particular is hygroscopic and degrades irrespective of mileage. On a test drive, particular attention should be paid to any suspension clonks or knocks over uneven surfaces, which on a BMW Z4 of this age commonly arise from worn front suspension bushes, top mounts, or coil springs. The steering should be checked for vagueness or any knocking through the column, and brake feel should be assessed for shudder under braking, which would confirm disc warping from corrosion. The convertible roof mechanism, where applicable, should be operated and inspected for correct latching and any hydraulic fluid leaks, while the rear axle and differential should be monitored for whining noises. Finally, confirming a comprehensive service history with documented time-based servicing, even at low mileages, will be essential in verifying that this Z4 has been correctly maintained for its age rather than simply left standing.