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Buying a used 2021 BMW M340I? Check these 6 recalls first

6 NHTSA recalls · 11 owner complaints on file

Six recalls apply, headed by a critical 48-volt battery connection that may overheat and cause fire, plus high-severity loose seat belt bolts and poorly welded seat frames. None carries a stop-driving or park-outside instruction. Several campaigns concern occupant restraints, so seat and belt work is a recurring theme. Owner complaints number 11 unverified NHTSA reports with no crashes, fires or injuries logged, concentrated in engine (7) and power train (3).

Before you buy

1. Get the 17-character VIN from the seller and run it at nhtsa.gov/recalls. It shows which recalls are still unrepaired on that exact car.
2. Confirm by VIN that the 48-volt battery connection fire recall was completed
3. Verify both seat-related recalls — belt bolts and seat frame welds — were repaired
4. Ask about engine or drivetrain repairs and request service records for them
5. Open recalls are repaired free at any BMW dealer, whoever owns the car — an open recall is a to-do item, not a bill.

Recalls covering the 2021 BMW M340I

What owners have reported to NHTSA

11 complaints filed for this model year. Complaints are unverified owner reports, and popular models collect more of them simply because more are on the road.

Other model years

• 2020
• All M340I recalls