Software Glitches Affecting Safety Warnings

A recall was issued for a software issue in the receiver audio module control unit that prevented audible seat belt warnings. This impacts compliance with safety standards. Estimated repair cost: $0 (Recall).

While not a widespread documented issue for this specific model year, BMW turbocharged engines can be prone to oil leaks from valve cover gaskets or oil pan seals over time. Regular inspection is advised. Estimated repair cost: $300 - $800.

Plastic coolant components, such as expansion tanks or hose connections, can degrade over time, leading to leaks. Early detection is crucial to prevent overheating. Estimated repair cost: $400 - $900.

CARFOCALvehicle research

2022 BMW M340i Maintenance guide

Name: Maintenance dataset for 2022 BMW M340i
Creator: Carfocal

v1.0Updated Jun 5, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2022 BMW M340i, with a reliability verdict of 'Good' and an LLM score of 7.8, presents a generally sound ownership proposition. The primary documented concern involves a software recall affecting audible seat belt warnings, which requires a software update.

View Critical Issue: Coolant Leaks

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

0 TSBs | 2 Recalls

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Key Takeaways

The 2022 BMW M340i boasts a 'Good' reliability verdict with zero reported consumer complaints.
A single software recall (23V584000) addresses non-functioning audible seat belt warnings.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance