BMW i4 Reliability

Owners filed 10 complaints about the i4: 1.43 per production run against 3.73 for the market, fewer complaints than most cars.

NHTSA owner complaints · 10 complaints · 2022–2022 · Updated Nov 4, 2026
Quick answer

Half of all complaints arrive by 1 year of age, so 10% land after the 4-year basic warranty ends. The system owners report most is Electrical System, with 4 complaints, typically at 1.8 years.

BMW i4 years to avoid — and the best ones

FIG.01·BMW i4 — complaint rate by model year
Model yearPer runComplaintsRunsEnough history?
20221.43107too new
ROWS 1·SOURCE NHTSA complaints, grouped by VIN production run

When it starts to break

FIG.02·BMW i4 — age at failure
Age at failureComplaintsRunning totalWarranty
0 years330%covered
1 year580%covered
2 years190%covered
4 years1100%you pay
ROWS 4·SOURCE NHTSA complaints with incident dates

Basic warranty on this car is 4 years / 50,000 miles. Only 90% of reported failures happen inside it — the remaining 10% come out of the owner's pocket. Powertrain cover (4 years / 50,000 miles) reaches further, but it only covers the engine and transmission, which account for about 10% of the complaints here.

What actually fails — and at what age

On the BMW i4, the early trouble is Electrical System and Forward Collision Avoidance — reported at around 1.8 years, so a car still under warranty is the one to check for it.

FIG.03·BMW i4 — what fails and when
SystemComplaintsTypical ageCrashFire
Electrical System41.8 yrs21
Tires2———
Forward Collision Avoidance20.5 yrs——
Back Over Prevention20.5 yrs——
Unknown Or Other21.5 yrs1—
Lane Departure1———
Air Bags11 yrs1—
Power Train11 yrs1—
ROWS 8·SOURCE NHTSA complaints

What else in this class

6 models share the i4's vehicle class.

FIG.05·BMW i4 — rivals in the same class
Same class as the i4Complaints on recordRecall campaignsYears built
Honda Civic15,9624131981–2026
Ford Mustang10,6803151981–2026
Nissan GT-R3392009–2026
Chevrolet Camaro3,4572041981–2026
Toyota Supra109351981–2026
Nissan Sentra6,1851581982–2026
ROWS 6·SOURCE NHTSA complaints and recall campaigns

The table shows totals on record; the rates per production run are in the sentence above.

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Frequently asked questions

Is the BMW i4 reliable?

By complaints per production run it is better than typical: 1.43 against 3.73 for the average car.

When do i4 problems usually start?

Half of all complaints arrive by 1 year of age. The most reported system is Electrical System, typically at 1.8 years, followed by Tires.

Will the warranty cover i4 problems?

Mostly yes: basic cover is 4 years / 50,000 miles, and 90% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 10% of the complaints here.

Complaint records from NHTSA, grouped by VIN production run (characters 1–11). Rates, age-at-failure and warranty coverage computed by ForCar. Model years newer than 6 years are excluded from rankings — complaints accumulate for a decade (how we measure). Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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