BatteryHigh
State of health variation on rapid charged cars
HV battery module work£1,200–£8,000
Inspect · Check the vehicle battery health readout and charging history
2021–2025 BMW i4 · common fault repair costs
What the known faults on this BMW i4 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £1,200–£8,000
- Top three risks, from
- £1,570
- Worst case, everything
- £11,100
The single priciest documented job on the 2021–2025 BMW i4 is hv battery module work at £1,200–£8,000. Few cars need every repair listed here · treat £1,770–£11,100 as the full exposure if one arrived with all of them.
Cost per fault
SoftwareLow
Infotainment and over the air update faults
Infotainment repair or software fix£120–£1,200
Inspect · Confirm software is current and screens respond
SuspensionMedium
Bush and damper wear from kerb weight
Suspension refresh (per axle)£250–£1,100
Inspect · Listen for knocks and check for damper weeping
BrakesMedium
Corroded discs from regen braking use
Brakes (discs, pads, caliper)£200–£800
Inspect · Inspect disc faces for pitting and scale
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a BMW i4 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.