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Data source: National Highway Traffic Safety Administration

  1. Home
  2. >BMW
  3. >M340i
  4. >2021
  5. >Engine

2021 BMW M340i Engine Problems

Engine complaints and recalls from NHTSA

Summary

The 2021 BMW M340i has 3 NHTSA engine complaints and 0 engine-related recalls.

3

Complaints

0

Recalls

0

Injuries Reported

Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026

All Engine Complaints

Date ↓ComponentSummary
Jan 22, 2026ENGINEI am reporting a safety concern involving BMW vehicles equipped with the B58 Technical Update (B58TU...
Oct 2, 2023ENGINEAt approximately 20,000 miles, vehicle indicated excessively low oil. The dealer indicated oil leve...
Oct 1, 2023ENGINEAt approximately 20,000 miles, vehicle indicated excessively low oil. The dealer indicated oil leve...

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2021 BMW M340i Full Report→All BMW Models→