Capacity differences between 60Ah, 94Ah and 120Ah cars
- Typically appears
- Any
- What to inspect
- Confirm the battery version and run a state-of-health check

An early mass-market EV with a carbon body. Battery capacity version and health drive the price, not mileage.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
The most commonly reported faults on the 2013–2022 BMW i3 are Capacity differences between 60Ah, 94Ah and 120Ah cars, Range extender fuel system faults from lack of use and Carbon body repair complexity after accident damage. Of the documented issues, 1 rated critical and 2 rated high · these are the ones worth inspecting first. Full inspection points, onset mileage and what to check are listed below.
Based on the documented faults on this page for the BMW i3.
Guidance only · reflects reported patterns, not a specific car's condition.
Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.
Capacity differences between 60Ah, 94Ah and 120Ah cars
Range extender fuel system faults from lack of use
Carbon body repair complexity after accident damage
Narrow tyre availability and rear bush wear
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Check this exact carThe 120Ah cars. Range on early 60Ah examples is now too short for most buyers.
Only when unused. Fuel system issues appear on cars where the generator never runs.
The carbon structure needs specialist repair, so poor previous work is both a safety and a value issue.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.