BatteryHigh
State of health variation on rapid charged cars
- Typically appears
- 40,000+ miles
- What to inspect
- Check the vehicle battery health readout and charging history
2021–2025 BMW i4 · common problems & known faults
An electric saloon where battery health evidence decides the value, not the mileage.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
Quick answer
The most commonly reported faults on the 2021–2025 BMW i4 are State of health variation on rapid charged cars, Corroded discs from regen braking use and Bush and damper wear from kerb weight. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
Reliability snapshot
Based on the documented faults on this page for the BMW i4.
7.6/ 10
- Critical
- 0
- High
- 1
- Medium
- 2
- Low
- 1
Guidance only · reflects reported patterns, not a specific car's condition.
BMW i4 problems by year
Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.
Known faults to check
BrakesMedium
Corroded discs from regen braking use
- Typically appears
- 20,000+ miles
- What to inspect
- Inspect disc faces for pitting and scale
SoftwareLow
Infotainment and over the air update faults
- Typically appears
- Age-related
- What to inspect
- Confirm software is current and screens respond
SuspensionMedium
Bush and damper wear from kerb weight
- Typically appears
- 50,000+ miles
- What to inspect
- Listen for knocks and check for damper weeping
Inspecting a BMW i4?
Generate a full, tickable pre-purchase checklist tailored to this exact vehicle · add photos and notes as you inspect. Try it free.
Check this exact carFrequently asked questions
What matters most on an EV?
Battery state of health. Get the readout in writing before you buy.
Are brakes an issue?
Rust more than wear. Discs often fail an inspection before pads do.
Do software versions matter?
Yes, older builds miss charging and range improvements.
Sources & further reading
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.