2020 BMW I3 Electric · YY70 MUP

The BMW i3 in question presents a clean and stable roadworthiness record over the past three MOT tests, with no defects recorded in the most recent assessment on 10 November 2025 at 19,894 miles. This consistency suggests the vehicle has been well maintained within the scope of the MOT’s basic requirements, with no signs of recurring mechanical failures or structural concerns. The absence of advisories or minor defects in all three tests—spanning from November 2023 to November 2025—indicates that routine checks on critical systems such as brakes, suspension, and emissions have passed without issue. However, the limited scope of the MOT means deeper component wear, such as battery health, high-voltage system integrity, or interior electrical faults, would not be captured. A buyer should treat this as a baseline of compliance rather than comprehensive mechanical assurance. The mileage accumulation of 19,894 miles over approximately six years—averaging just 3,316 miles annually—is notably low for a vehicle of this age. This suggests either very light use, extended periods of inactivity, or a combination of both. The gap between the 2023 test (11,709 miles) and the 2024 test (15,509 miles) shows a slow but steady increase, while the following year’s test (19,894 miles) continues this trend without any sudden spikes. Such low mileage typically reduces wear on consumables like tyres and brake pads, but it also raises questions about potential neglect of less frequently used systems, such as the high-voltage battery or fluid top-ups. The lack of mileage does not inherently indicate poor maintenance, but it does mean some components may not have been exercised enough to reveal latent issues. Given the absence of MOT defects, a prospective buyer should prioritise a thorough inspection of systems not routinely covered by the MOT. The high-voltage battery and its cooling system, critical to the i3’s electric propulsion, should be checked for degradation or leaks, particularly if the vehicle has spent extended periods unused. The 12-volt auxiliary battery and starter motor should also be tested for health, as these are often overlooked in low-mileage electric vehicles. Suspension components—such as bushings, coil springs, and dampers—should be assessed for stiffness or corrosion, even without MOT advisories, given the potential for moisture ingress during periods of disuse. Brakes, while not flagged, should be inspected for uneven wear or binding, especially if the vehicle has been left stationary for long durations. Finally, a visual check for any signs of structural corrosion or water ingress in the battery compartment is advisable, as these can develop insidiously in vehicles with minimal use.