2018 BMW I3 0.6L Hybrid electric (clean) · LD68 THF

With only seven MOT tests recorded over an eight-year period and a near-immaculate pass record on the 2018 example, the most defining mechanical story here is one of extremely limited use rather than any pattern of chronic defects. The most recent test on 5 March 2026 was a clean pass with no advisories, continuing a trend of straight passes from 2024 onwards after an isolated dangerous tyre failure in March 2024 and a minor headlamp-aim PRS failure in November 2021. The single genuinely concerning item is the 2024 dangerous failure for exposed ply or cords within deep cracks on the offside front tyre shoulder, which is the only non-advisory defect on the file. Beyond that, the 2023 test recorded several advisories around front and rear brake disc condition and front tyre cracking, all classed as minor at the time, and the headlamp aim issue in 2021 was corrected on the day and not repeated. A recorded mileage of just 9,389 miles over eight years equates to roughly 1,174 miles annually, which is exceptionally low for any vehicle regardless of powertrain and reflects extended periods of standing rather than regular driving. Gaps in the testing history are notable here, with no MOTs recorded at all between November 2021 and March 2023, a window in which low-use vehicles typically suffer from ageing of seals, brake rotors surface corroding, tyre sidewalls drying out, and 12V auxiliary battery degradation. On a battery-electric i3 of this age and mileage, prolonged inactivity is particularly relevant to the high-voltage pack state of health, the 12V auxiliary battery, and the condition of brake discs which, because regenerative deceleration handles most slowing, may have developed severe corrosion pitting despite the low odometer reading. The recorded mileage pattern also means that time-based deterioration of rubber and composite components is more significant than mileage-based wear would normally be. For a prospective buyer, the priority on inspection is the brake system, as the 2023 advisories flagged pitting and scoring on both front and rear discs offside and nearside, and on a car that has covered under 10,000 miles these discs may now be heavily corroded on the friction surfaces and potentially lipped at the outer edge. On a test drive, expect to feel sharp judder through the pedal on the first firm application and listen for any scraping or grinding on light braking before the system clears the surface corrosion. The tyres also warrant close scrutiny given the 2024 dangerous failure: examine the offside front shoulder for any re-emerging perishing, check the DOT date codes to confirm they are not original 2018 stock, and verify even wear across both axles, as standing can produce flat-spotting and sidewall distortion that is not always visible until the vehicle is driven. Suspension and underbody components should be examined with the knowledge that very low mileage does not exempt an i3 from rubber bush hardening and corrosion over eight years, even though the aluminium chassis largely guards against structural rust. On the move, listen for clonks or knocks from the rear suspension over uneven surfaces, which can indicate compromised trailing arm bushes, and feel for any vagueness or wandering from the steering, as the i3's narrow front track can exaggerate any wear in the front wishbone or anti-roll bar linkages. Finally, given the extended standing periods evidenced by the test gaps, it is sensible to have the 12V auxiliary battery load-tested and to verify the high-voltage battery state of health through diagnostic readout rather than relying on the indicated range.