AI-generated from NHTSA recall & complaint counts

Reliability & 5-year cost of ownership — 2021 BMW M440I

NHTSA data on file today

The 2021 BMW M440I has 5 NHTSA recall campaigns and 6 owner complaints on file as of . Recall data is refreshed daily from NHTSA.

Recall campaigns on file

Most-cited components in owner complaints

  • Engine 2 complaints
  • Electrical System 1 complaint
  • Forward Collision Avoidance 1 complaint
  • Power Train 1 complaint
  • Seat Belts 1 complaint
  • Seats 1 complaint

Of the 6 complaints on file, 1 reports a crash and 1 a fire; across all 6 complaints, owners report 2 injuries (owner-reported, not verified by NHTSA).

Recall notices and owner complaints for the 2021 BMW M440I

Overall rating AI assessment

Average

Estimated 5-year repair + maintenance cost: $8,000–$12,000AI estimate — not from NHTSA data

The 2021 BMW M440i has an average reliability rating, with some recalls related to seat belts and airbags, and a low number of owner complaints. Most issues are not widespread, but the vehicle has multiple recalls that may affect cost of ownership.

Most-common failures

Part Typical mileage (AI estimate) Cost range (AI estimate) Frequency
Battery system20,000–40,000 miles$200–$400common
Seat belts30,000–50,000 miles$150–$300occasional
Airbag60,000–80,000 miles$400–$800occasional

AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter changes
  • Tire rotations
  • Brake fluid replacement
  • Coolant system service
  • Air filter replacement
  • Spark plug replacement

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Unusual battery discharge
  • Airbag warning light
  • Seat belt not retracting properly
  • Unexpected error codes
  • Inconsistent braking performance

Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2021 BMW M440I at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.